Home / 691,490.52-1,036,620.18-271,059.48

Finding the Fourth Proportional to 691,490.52, 1,036,620.18 and 271,059.48

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Solution

The fourth proportional to 691,490.52, 1,036,620.18 and 271,059.48 is: 406,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,490.52 : 1,036,620.18 = 271,059.48 : x
  2. Step 2: Convert to fraction form
    691,490.52/1,036,620.18 = 271,059.48/x
  3. Step 3: Cross multiply
    691,490.52x = 1,036,620.18 × 271,059.48
  4. Step 4: Simplify right side
    691,490.52x = 280,985,726,948.31
  5. Step 5: Solve for x
    x = 280,985,726,948.31/691,490.52
  6. Step 6: Final answer
    x = 406,347.91

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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.