Home / 815,338.59-1,124,985.96-493,042.02

Finding the Fourth Proportional to 815,338.59, 1,124,985.96 and 493,042.02

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Solution

The fourth proportional to 815,338.59, 1,124,985.96 and 493,042.02 is: 680,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,338.59 : 1,124,985.96 = 493,042.02 : x
  2. Step 2: Convert to fraction form
    815,338.59/1,124,985.96 = 493,042.02/x
  3. Step 3: Cross multiply
    815,338.59x = 1,124,985.96 × 493,042.02
  4. Step 4: Simplify right side
    815,338.59x = 554,665,350,190.04
  5. Step 5: Solve for x
    x = 554,665,350,190.04/815,338.59
  6. Step 6: Final answer
    x = 680,288.36

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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.