Home / 769,780.10-1,154,382.98-264,197.61

Finding the Fourth Proportional to 769,780.10, 1,154,382.98 and 264,197.61

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Solution

The fourth proportional to 769,780.10, 1,154,382.98 and 264,197.61 is: 396,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,780.10 : 1,154,382.98 = 264,197.61 : x
  2. Step 2: Convert to fraction form
    769,780.10/1,154,382.98 = 264,197.61/x
  3. Step 3: Cross multiply
    769,780.10x = 1,154,382.98 × 264,197.61
  4. Step 4: Simplify right side
    769,780.10x = 304,985,223,019.69
  5. Step 5: Solve for x
    x = 304,985,223,019.69/769,780.10
  6. Step 6: Final answer
    x = 396,197.85

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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.