Home / 742,256.20-1,113,384.30-322,352.20

Finding the Fourth Proportional to 742,256.20, 1,113,384.30 and 322,352.20

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Solution

The fourth proportional to 742,256.20, 1,113,384.30 and 322,352.20 is: 483,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,256.20 : 1,113,384.30 = 322,352.20 : x
  2. Step 2: Convert to fraction form
    742,256.20/1,113,384.30 = 322,352.20/x
  3. Step 3: Cross multiply
    742,256.20x = 1,113,384.30 × 322,352.20
  4. Step 4: Simplify right side
    742,256.20x = 358,901,878,550.46
  5. Step 5: Solve for x
    x = 358,901,878,550.46/742,256.20
  6. Step 6: Final answer
    x = 483,528.30

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Half scale
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Double scale
Find fourth proportional to 742,257.20, 1,113,385.80 and 322,353.20
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.