Home / 558,714.28-837,755.16-511,105.72

Finding the Fourth Proportional to 558,714.28, 837,755.16 and 511,105.72

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Solution

The fourth proportional to 558,714.28, 837,755.16 and 511,105.72 is: 766,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,714.28 : 837,755.16 = 511,105.72 : x
  2. Step 2: Convert to fraction form
    558,714.28/837,755.16 = 511,105.72/x
  3. Step 3: Cross multiply
    558,714.28x = 837,755.16 × 511,105.72
  4. Step 4: Simplify right side
    558,714.28x = 428,181,454,235.52
  5. Step 5: Solve for x
    x = 428,181,454,235.52/558,714.28
  6. Step 6: Final answer
    x = 766,369.27

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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.