Home / 825,575.20-1,139,418.31-503,472.13

Finding the Fourth Proportional to 825,575.20, 1,139,418.31 and 503,472.13

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Solution

The fourth proportional to 825,575.20, 1,139,418.31 and 503,472.13 is: 694,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,575.20 : 1,139,418.31 = 503,472.13 : x
  2. Step 2: Convert to fraction form
    825,575.20/1,139,418.31 = 503,472.13/x
  3. Step 3: Cross multiply
    825,575.20x = 1,139,418.31 × 503,472.13
  4. Step 4: Simplify right side
    825,575.20x = 573,665,365,798.70
  5. Step 5: Solve for x
    x = 573,665,365,798.70/825,575.20
  6. Step 6: Final answer
    x = 694,867.49

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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.