Home / 958,972.57-1,439,100.92-398,007.61

Finding the Fourth Proportional to 958,972.57, 1,439,100.92 and 398,007.61

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Solution

The fourth proportional to 958,972.57, 1,439,100.92 and 398,007.61 is: 597,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,972.57 : 1,439,100.92 = 398,007.61 : x
  2. Step 2: Convert to fraction form
    958,972.57/1,439,100.92 = 398,007.61/x
  3. Step 3: Cross multiply
    958,972.57x = 1,439,100.92 × 398,007.61
  4. Step 4: Simplify right side
    958,972.57x = 572,773,117,718.00
  5. Step 5: Solve for x
    x = 572,773,117,718.00/958,972.57
  6. Step 6: Final answer
    x = 597,277.89

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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.