Home / 865,728.92-1,298,593.40-234,642.74

Finding the Fourth Proportional to 865,728.92, 1,298,593.40 and 234,642.74

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Solution

The fourth proportional to 865,728.92, 1,298,593.40 and 234,642.74 is: 351,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,728.92 : 1,298,593.40 = 234,642.74 : x
  2. Step 2: Convert to fraction form
    865,728.92/1,298,593.40 = 234,642.74/x
  3. Step 3: Cross multiply
    865,728.92x = 1,298,593.40 × 234,642.74
  4. Step 4: Simplify right side
    865,728.92x = 304,705,505,855.74
  5. Step 5: Solve for x
    x = 304,705,505,855.74/865,728.92
  6. Step 6: Final answer
    x = 351,964.11

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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.