Home / 865,989.39-1,298,830.98-234,952.41

Finding the Fourth Proportional to 865,989.39, 1,298,830.98 and 234,952.41

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Solution

The fourth proportional to 865,989.39, 1,298,830.98 and 234,952.41 is: 352,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,989.39 : 1,298,830.98 = 234,952.41 : x
  2. Step 2: Convert to fraction form
    865,989.39/1,298,830.98 = 234,952.41/x
  3. Step 3: Cross multiply
    865,989.39x = 1,298,830.98 × 234,952.41
  4. Step 4: Simplify right side
    865,989.39x = 305,163,468,933.66
  5. Step 5: Solve for x
    x = 305,163,468,933.66/865,989.39
  6. Step 6: Final answer
    x = 352,387.08

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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.