Home / 869,112.92-1,304,177.88-363,631.52

Finding the Fourth Proportional to 869,112.92, 1,304,177.88 and 363,631.52

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Solution

The fourth proportional to 869,112.92, 1,304,177.88 and 363,631.52 is: 545,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,112.92 : 1,304,177.88 = 363,631.52 : x
  2. Step 2: Convert to fraction form
    869,112.92/1,304,177.88 = 363,631.52/x
  3. Step 3: Cross multiply
    869,112.92x = 1,304,177.88 × 363,631.52
  4. Step 4: Simplify right side
    869,112.92x = 474,240,184,854.78
  5. Step 5: Solve for x
    x = 474,240,184,854.78/869,112.92
  6. Step 6: Final answer
    x = 545,660.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.