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Finding the Fourth Proportional to 587,279.97, 880,938.18 and 279,466.20

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Solution

The fourth proportional to 587,279.97, 880,938.18 and 279,466.20 is: 419,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,279.97 : 880,938.18 = 279,466.20 : x
  2. Step 2: Convert to fraction form
    587,279.97/880,938.18 = 279,466.20/x
  3. Step 3: Cross multiply
    587,279.97x = 880,938.18 × 279,466.20
  4. Step 4: Simplify right side
    587,279.97x = 246,192,445,599.52
  5. Step 5: Solve for x
    x = 246,192,445,599.52/587,279.97
  6. Step 6: Final answer
    x = 419,207.97

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1.5x scale

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.