Home / 851,125.74-1,174,553.24-469,158.90

Finding the Fourth Proportional to 851,125.74, 1,174,553.24 and 469,158.90

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Solution

The fourth proportional to 851,125.74, 1,174,553.24 and 469,158.90 is: 647,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,125.74 : 1,174,553.24 = 469,158.90 : x
  2. Step 2: Convert to fraction form
    851,125.74/1,174,553.24 = 469,158.90/x
  3. Step 3: Cross multiply
    851,125.74x = 1,174,553.24 × 469,158.90
  4. Step 4: Simplify right side
    851,125.74x = 551,052,103,724.04
  5. Step 5: Solve for x
    x = 551,052,103,724.04/851,125.74
  6. Step 6: Final answer
    x = 647,439.12

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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.