Home / 853,471.52-1,279,925.87-284,695.88

Finding the Fourth Proportional to 853,471.52, 1,279,925.87 and 284,695.88

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Solution

The fourth proportional to 853,471.52, 1,279,925.87 and 284,695.88 is: 426,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,471.52 : 1,279,925.87 = 284,695.88 : x
  2. Step 2: Convert to fraction form
    853,471.52/1,279,925.87 = 284,695.88/x
  3. Step 3: Cross multiply
    853,471.52x = 1,279,925.87 × 284,695.88
  4. Step 4: Simplify right side
    853,471.52x = 364,389,614,071.31
  5. Step 5: Solve for x
    x = 364,389,614,071.31/853,471.52
  6. Step 6: Final answer
    x = 426,949.94

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1.5x scale

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.