Home / 460,974.52-691,454.92-281,112.80

Finding the Fourth Proportional to 460,974.52, 691,454.92 and 281,112.80

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Solution

The fourth proportional to 460,974.52, 691,454.92 and 281,112.80 is: 421,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,974.52 : 691,454.92 = 281,112.80 : x
  2. Step 2: Convert to fraction form
    460,974.52/691,454.92 = 281,112.80/x
  3. Step 3: Cross multiply
    460,974.52x = 691,454.92 × 281,112.80
  4. Step 4: Simplify right side
    460,974.52x = 194,376,828,634.98
  5. Step 5: Solve for x
    x = 194,376,828,634.98/460,974.52
  6. Step 6: Final answer
    x = 421,665.02

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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.