Home / 865,844.52-1,298,978.41-610,175.85

Finding the Fourth Proportional to 865,844.52, 1,298,978.41 and 610,175.85

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Solution

The fourth proportional to 865,844.52, 1,298,978.41 and 610,175.85 is: 915,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,844.52 : 1,298,978.41 = 610,175.85 : x
  2. Step 2: Convert to fraction form
    865,844.52/1,298,978.41 = 610,175.85/x
  3. Step 3: Cross multiply
    865,844.52x = 1,298,978.41 × 610,175.85
  4. Step 4: Simplify right side
    865,844.52x = 792,605,252,870.39
  5. Step 5: Solve for x
    x = 792,605,252,870.39/865,844.52
  6. Step 6: Final answer
    x = 915,412.91

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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.