Home / 792,147.20-1,092,875.92-520,361.44

Finding the Fourth Proportional to 792,147.20, 1,092,875.92 and 520,361.44

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Solution

The fourth proportional to 792,147.20, 1,092,875.92 and 520,361.44 is: 717,910.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,147.20 : 1,092,875.92 = 520,361.44 : x
  2. Step 2: Convert to fraction form
    792,147.20/1,092,875.92 = 520,361.44/x
  3. Step 3: Cross multiply
    792,147.20x = 1,092,875.92 × 520,361.44
  4. Step 4: Simplify right side
    792,147.20x = 568,690,487,472.53
  5. Step 5: Solve for x
    x = 568,690,487,472.53/792,147.20
  6. Step 6: Final answer
    x = 717,910.12

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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.