Home / 727,445.88-1,003,861.08-497,997.36

Finding the Fourth Proportional to 727,445.88, 1,003,861.08 and 497,997.36

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Solution

The fourth proportional to 727,445.88, 1,003,861.08 and 497,997.36 is: 687,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,445.88 : 1,003,861.08 = 497,997.36 : x
  2. Step 2: Convert to fraction form
    727,445.88/1,003,861.08 = 497,997.36/x
  3. Step 3: Cross multiply
    727,445.88x = 1,003,861.08 × 497,997.36
  4. Step 4: Simplify right side
    727,445.88x = 499,920,167,646.75
  5. Step 5: Solve for x
    x = 499,920,167,646.75/727,445.88
  6. Step 6: Final answer
    x = 687,226.61

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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.