Home / 731,929.77-1,010,062.92-409,639.85

Finding the Fourth Proportional to 731,929.77, 1,010,062.92 and 409,639.85

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Solution

The fourth proportional to 731,929.77, 1,010,062.92 and 409,639.85 is: 565,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,929.77 : 1,010,062.92 = 409,639.85 : x
  2. Step 2: Convert to fraction form
    731,929.77/1,010,062.92 = 409,639.85/x
  3. Step 3: Cross multiply
    731,929.77x = 1,010,062.92 × 409,639.85
  4. Step 4: Simplify right side
    731,929.77x = 413,762,017,989.05
  5. Step 5: Solve for x
    x = 413,762,017,989.05/731,929.77
  6. Step 6: Final answer
    x = 565,302.90

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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.