Home / 742,401.08-1,024,513.50-402,869.33

Finding the Fourth Proportional to 742,401.08, 1,024,513.50 and 402,869.33

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Solution

The fourth proportional to 742,401.08, 1,024,513.50 and 402,869.33 is: 555,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,401.08 : 1,024,513.50 = 402,869.33 : x
  2. Step 2: Convert to fraction form
    742,401.08/1,024,513.50 = 402,869.33/x
  3. Step 3: Cross multiply
    742,401.08x = 1,024,513.50 × 402,869.33
  4. Step 4: Simplify right side
    742,401.08x = 412,745,065,306.61
  5. Step 5: Solve for x
    x = 412,745,065,306.61/742,401.08
  6. Step 6: Final answer
    x = 555,959.68

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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.