Home / 742,432.69-1,024,557.08-402,900.94

Finding the Fourth Proportional to 742,432.69, 1,024,557.08 and 402,900.94

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Solution

The fourth proportional to 742,432.69, 1,024,557.08 and 402,900.94 is: 556,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,432.69 : 1,024,557.08 = 402,900.94 : x
  2. Step 2: Convert to fraction form
    742,432.69/1,024,557.08 = 402,900.94/x
  3. Step 3: Cross multiply
    742,432.69x = 1,024,557.08 × 402,900.94
  4. Step 4: Simplify right side
    742,432.69x = 412,795,010,615.66
  5. Step 5: Solve for x
    x = 412,795,010,615.66/742,432.69
  6. Step 6: Final answer
    x = 556,003.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.