Home / 670,188.68-1,005,781.39-270,832.92

Finding the Fourth Proportional to 670,188.68, 1,005,781.39 and 270,832.92

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Solution

The fourth proportional to 670,188.68, 1,005,781.39 and 270,832.92 is: 406,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,188.68 : 1,005,781.39 = 270,832.92 : x
  2. Step 2: Convert to fraction form
    670,188.68/1,005,781.39 = 270,832.92/x
  3. Step 3: Cross multiply
    670,188.68x = 1,005,781.39 × 270,832.92
  4. Step 4: Simplify right side
    670,188.68x = 272,398,706,286.60
  5. Step 5: Solve for x
    x = 272,398,706,286.60/670,188.68
  6. Step 6: Final answer
    x = 406,450.77

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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.