Home / 865,729.80-1,298,594.71-234,643.61

Finding the Fourth Proportional to 865,729.80, 1,298,594.71 and 234,643.61

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Solution

The fourth proportional to 865,729.80, 1,298,594.71 and 234,643.61 is: 351,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,729.80 : 1,298,594.71 = 234,643.61 : x
  2. Step 2: Convert to fraction form
    865,729.80/1,298,594.71 = 234,643.61/x
  3. Step 3: Cross multiply
    865,729.80x = 1,298,594.71 × 234,643.61
  4. Step 4: Simplify right side
    865,729.80x = 304,706,950,681.30
  5. Step 5: Solve for x
    x = 304,706,950,681.30/865,729.80
  6. Step 6: Final answer
    x = 351,965.42

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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.