Home / 916,493.28-1,264,757.92-508,656.64

Finding the Fourth Proportional to 916,493.28, 1,264,757.92 and 508,656.64

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Solution

The fourth proportional to 916,493.28, 1,264,757.92 and 508,656.64 is: 701,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,493.28 : 1,264,757.92 = 508,656.64 : x
  2. Step 2: Convert to fraction form
    916,493.28/1,264,757.92 = 508,656.64/x
  3. Step 3: Cross multiply
    916,493.28x = 1,264,757.92 × 508,656.64
  4. Step 4: Simplify right side
    916,493.28x = 643,327,514,000.59
  5. Step 5: Solve for x
    x = 643,327,514,000.59/916,493.28
  6. Step 6: Final answer
    x = 701,944.61

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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.