Home / 663,722.20-995,468.10-242,781.40

Finding the Fourth Proportional to 663,722.20, 995,468.10 and 242,781.40

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Solution

The fourth proportional to 663,722.20, 995,468.10 and 242,781.40 is: 364,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,722.20 : 995,468.10 = 242,781.40 : x
  2. Step 2: Convert to fraction form
    663,722.20/995,468.10 = 242,781.40/x
  3. Step 3: Cross multiply
    663,722.20x = 995,468.10 × 242,781.40
  4. Step 4: Simplify right side
    663,722.20x = 241,681,138,973.34
  5. Step 5: Solve for x
    x = 241,681,138,973.34/663,722.20
  6. Step 6: Final answer
    x = 364,129.96

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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.