Home / 815,387.24-1,125,052.80-493,090.52

Finding the Fourth Proportional to 815,387.24, 1,125,052.80 and 493,090.52

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Solution

The fourth proportional to 815,387.24, 1,125,052.80 and 493,090.52 is: 680,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,387.24 : 1,125,052.80 = 493,090.52 : x
  2. Step 2: Convert to fraction form
    815,387.24/1,125,052.80 = 493,090.52/x
  3. Step 3: Cross multiply
    815,387.24x = 1,125,052.80 × 493,090.52
  4. Step 4: Simplify right side
    815,387.24x = 554,752,870,179.46
  5. Step 5: Solve for x
    x = 554,752,870,179.46/815,387.24
  6. Step 6: Final answer
    x = 680,355.10

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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.