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Finding the Fourth Proportional to 658,255.20, 986,589 and 302,781.84

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Solution

The fourth proportional to 658,255.20, 986,589 and 302,781.84 is: 453,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,255.20 : 986,589 = 302,781.84 : x
  2. Step 2: Convert to fraction form
    658,255.20/986,589 = 302,781.84/x
  3. Step 3: Cross multiply
    658,255.20x = 986,589 × 302,781.84
  4. Step 4: Simplify right side
    658,255.20x = 298,721,232,743.76
  5. Step 5: Solve for x
    x = 298,721,232,743.76/658,255.20
  6. Step 6: Final answer
    x = 453,807.63

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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.