Home / 858,965.46-1,288,007.46-454,376.04

Finding the Fourth Proportional to 858,965.46, 1,288,007.46 and 454,376.04

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Solution

The fourth proportional to 858,965.46, 1,288,007.46 and 454,376.04 is: 681,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,965.46 : 1,288,007.46 = 454,376.04 : x
  2. Step 2: Convert to fraction form
    858,965.46/1,288,007.46 = 454,376.04/x
  3. Step 3: Cross multiply
    858,965.46x = 1,288,007.46 × 454,376.04
  4. Step 4: Simplify right side
    858,965.46x = 585,239,731,474.66
  5. Step 5: Solve for x
    x = 585,239,731,474.66/858,965.46
  6. Step 6: Final answer
    x = 681,330.92

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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.