Home / 742,124.08-1,024,129.11-402,592.42

Finding the Fourth Proportional to 742,124.08, 1,024,129.11 and 402,592.42

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Solution

The fourth proportional to 742,124.08, 1,024,129.11 and 402,592.42 is: 555,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,124.08 : 1,024,129.11 = 402,592.42 : x
  2. Step 2: Convert to fraction form
    742,124.08/1,024,129.11 = 402,592.42/x
  3. Step 3: Cross multiply
    742,124.08x = 1,024,129.11 × 402,592.42
  4. Step 4: Simplify right side
    742,124.08x = 412,306,616,787.35
  5. Step 5: Solve for x
    x = 412,306,616,787.35/742,124.08
  6. Step 6: Final answer
    x = 555,576.39

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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.