Home / 758,614.11-1,138,087.50-285,299.52

Finding the Fourth Proportional to 758,614.11, 1,138,087.50 and 285,299.52

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Solution

The fourth proportional to 758,614.11, 1,138,087.50 and 285,299.52 is: 428,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,614.11 : 1,138,087.50 = 285,299.52 : x
  2. Step 2: Convert to fraction form
    758,614.11/1,138,087.50 = 285,299.52/x
  3. Step 3: Cross multiply
    758,614.11x = 1,138,087.50 × 285,299.52
  4. Step 4: Simplify right side
    758,614.11x = 324,695,817,468
  5. Step 5: Solve for x
    x = 324,695,817,468/758,614.11
  6. Step 6: Final answer
    x = 428,011.84

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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.