Home / 717,876.62-1,076,546.79-238,016.42

Finding the Fourth Proportional to 717,876.62, 1,076,546.79 and 238,016.42

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Solution

The fourth proportional to 717,876.62, 1,076,546.79 and 238,016.42 is: 356,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,876.62 : 1,076,546.79 = 238,016.42 : x
  2. Step 2: Convert to fraction form
    717,876.62/1,076,546.79 = 238,016.42/x
  3. Step 3: Cross multiply
    717,876.62x = 1,076,546.79 × 238,016.42
  4. Step 4: Simplify right side
    717,876.62x = 256,235,807,535.56
  5. Step 5: Solve for x
    x = 256,235,807,535.56/717,876.62
  6. Step 6: Final answer
    x = 356,935.72

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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.