Home / 698,359.76-1,047,110.92-271,397.05

Finding the Fourth Proportional to 698,359.76, 1,047,110.92 and 271,397.05

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Solution

The fourth proportional to 698,359.76, 1,047,110.92 and 271,397.05 is: 406,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,359.76 : 1,047,110.92 = 271,397.05 : x
  2. Step 2: Convert to fraction form
    698,359.76/1,047,110.92 = 271,397.05/x
  3. Step 3: Cross multiply
    698,359.76x = 1,047,110.92 × 271,397.05
  4. Step 4: Simplify right side
    698,359.76x = 284,182,814,710.79
  5. Step 5: Solve for x
    x = 284,182,814,710.79/698,359.76
  6. Step 6: Final answer
    x = 406,928.97

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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.