Home / 980,988.47-1,471,468.11-271,000.79

Finding the Fourth Proportional to 980,988.47, 1,471,468.11 and 271,000.79

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Solution

The fourth proportional to 980,988.47, 1,471,468.11 and 271,000.79 is: 406,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,988.47 : 1,471,468.11 = 271,000.79 : x
  2. Step 2: Convert to fraction form
    980,988.47/1,471,468.11 = 271,000.79/x
  3. Step 3: Cross multiply
    980,988.47x = 1,471,468.11 × 271,000.79
  4. Step 4: Simplify right side
    980,988.47x = 398,769,020,269.81
  5. Step 5: Solve for x
    x = 398,769,020,269.81/980,988.47
  6. Step 6: Final answer
    x = 406,497.15

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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.