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Finding the Fourth Proportional to 526,309.34, 726,306.37 and 284,591.33

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Solution

The fourth proportional to 526,309.34, 726,306.37 and 284,591.33 is: 392,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,309.34 : 726,306.37 = 284,591.33 : x
  2. Step 2: Convert to fraction form
    526,309.34/726,306.37 = 284,591.33/x
  3. Step 3: Cross multiply
    526,309.34x = 726,306.37 × 284,591.33
  4. Step 4: Simplify right side
    526,309.34x = 206,700,496,930.06
  5. Step 5: Solve for x
    x = 206,700,496,930.06/526,309.34
  6. Step 6: Final answer
    x = 392,735.76

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1.5x scale

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.