Home / 739,248.87-1,108,992.92-289,725.96

Finding the Fourth Proportional to 739,248.87, 1,108,992.92 and 289,725.96

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Solution

The fourth proportional to 739,248.87, 1,108,992.92 and 289,725.96 is: 434,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,248.87 : 1,108,992.92 = 289,725.96 : x
  2. Step 2: Convert to fraction form
    739,248.87/1,108,992.92 = 289,725.96/x
  3. Step 3: Cross multiply
    739,248.87x = 1,108,992.92 × 289,725.96
  4. Step 4: Simplify right side
    739,248.87x = 321,304,038,380.20
  5. Step 5: Solve for x
    x = 321,304,038,380.20/739,248.87
  6. Step 6: Final answer
    x = 434,635.82

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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.