Home / 758,737.92-1,047,100.32-419,198.88

Finding the Fourth Proportional to 758,737.92, 1,047,100.32 and 419,198.88

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Solution

The fourth proportional to 758,737.92, 1,047,100.32 and 419,198.88 is: 578,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,737.92 : 1,047,100.32 = 419,198.88 : x
  2. Step 2: Convert to fraction form
    758,737.92/1,047,100.32 = 419,198.88/x
  3. Step 3: Cross multiply
    758,737.92x = 1,047,100.32 × 419,198.88
  4. Step 4: Simplify right side
    758,737.92x = 438,943,281,391.64
  5. Step 5: Solve for x
    x = 438,943,281,391.64/758,737.92
  6. Step 6: Final answer
    x = 578,517.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.