Home / 853,476.14-1,279,932.78-284,700.50

Finding the Fourth Proportional to 853,476.14, 1,279,932.78 and 284,700.50

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Solution

The fourth proportional to 853,476.14, 1,279,932.78 and 284,700.50 is: 426,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,476.14 : 1,279,932.78 = 284,700.50 : x
  2. Step 2: Convert to fraction form
    853,476.14/1,279,932.78 = 284,700.50/x
  3. Step 3: Cross multiply
    853,476.14x = 1,279,932.78 × 284,700.50
  4. Step 4: Simplify right side
    853,476.14x = 364,397,502,432.39
  5. Step 5: Solve for x
    x = 364,397,502,432.39/853,476.14
  6. Step 6: Final answer
    x = 426,956.87

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