Home / 742,318.20-1,113,477.30-369,070.20

Finding the Fourth Proportional to 742,318.20, 1,113,477.30 and 369,070.20

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Solution

The fourth proportional to 742,318.20, 1,113,477.30 and 369,070.20 is: 553,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,318.20 : 1,113,477.30 = 369,070.20 : x
  2. Step 2: Convert to fraction form
    742,318.20/1,113,477.30 = 369,070.20/x
  3. Step 3: Cross multiply
    742,318.20x = 1,113,477.30 × 369,070.20
  4. Step 4: Simplify right side
    742,318.20x = 410,951,289,806.46
  5. Step 5: Solve for x
    x = 410,951,289,806.46/742,318.20
  6. Step 6: Final answer
    x = 553,605.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 742,319.20, 1,113,478.80 and 369,071.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.