Home / 771,218.52-1,151,577.99-680,505.24

Finding the Fourth Proportional to 771,218.52, 1,151,577.99 and 680,505.24

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Solution

The fourth proportional to 771,218.52, 1,151,577.99 and 680,505.24 is: 1,016,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,218.52 : 1,151,577.99 = 680,505.24 : x
  2. Step 2: Convert to fraction form
    771,218.52/1,151,577.99 = 680,505.24/x
  3. Step 3: Cross multiply
    771,218.52x = 1,151,577.99 × 680,505.24
  4. Step 4: Simplify right side
    771,218.52x = 783,654,856,463.67
  5. Step 5: Solve for x
    x = 783,654,856,463.67/771,218.52
  6. Step 6: Final answer
    x = 1,016,125.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.