Home / 721,520.10-1,084,904.55-705,773.70

Finding the Fourth Proportional to 721,520.10, 1,084,904.55 and 705,773.70

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Solution

The fourth proportional to 721,520.10, 1,084,904.55 and 705,773.70 is: 1,061,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,520.10 : 1,084,904.55 = 705,773.70 : x
  2. Step 2: Convert to fraction form
    721,520.10/1,084,904.55 = 705,773.70/x
  3. Step 3: Cross multiply
    721,520.10x = 1,084,904.55 × 705,773.70
  4. Step 4: Simplify right side
    721,520.10x = 765,697,098,400.34
  5. Step 5: Solve for x
    x = 765,697,098,400.34/721,520.10
  6. Step 6: Final answer
    x = 1,061,227.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.