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Finding the Fourth Proportional to 555,443.92, 832,604.88 and 218,720.92

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Solution

The fourth proportional to 555,443.92, 832,604.88 and 218,720.92 is: 327,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,443.92 : 832,604.88 = 218,720.92 : x
  2. Step 2: Convert to fraction form
    555,443.92/832,604.88 = 218,720.92/x
  3. Step 3: Cross multiply
    555,443.92x = 832,604.88 × 218,720.92
  4. Step 4: Simplify right side
    555,443.92x = 182,108,105,350.09
  5. Step 5: Solve for x
    x = 182,108,105,350.09/555,443.92
  6. Step 6: Final answer
    x = 327,860.47

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Similar ratio
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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.