Home / 742,397.52-1,024,508.54-402,865.76

Finding the Fourth Proportional to 742,397.52, 1,024,508.54 and 402,865.76

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Solution

The fourth proportional to 742,397.52, 1,024,508.54 and 402,865.76 is: 555,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,397.52 : 1,024,508.54 = 402,865.76 : x
  2. Step 2: Convert to fraction form
    742,397.52/1,024,508.54 = 402,865.76/x
  3. Step 3: Cross multiply
    742,397.52x = 1,024,508.54 × 402,865.76
  4. Step 4: Simplify right side
    742,397.52x = 412,739,411,593.59
  5. Step 5: Solve for x
    x = 412,739,411,593.59/742,397.52
  6. Step 6: Final answer
    x = 555,954.73

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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.