Home / 905,864.65-1,250,121.20-497,997.65

Finding the Fourth Proportional to 905,864.65, 1,250,121.20 and 497,997.65

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Solution

The fourth proportional to 905,864.65, 1,250,121.20 and 497,997.65 is: 687,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,864.65 : 1,250,121.20 = 497,997.65 : x
  2. Step 2: Convert to fraction form
    905,864.65/1,250,121.20 = 497,997.65/x
  3. Step 3: Cross multiply
    905,864.65x = 1,250,121.20 × 497,997.65
  4. Step 4: Simplify right side
    905,864.65x = 622,557,420,450.50
  5. Step 5: Solve for x
    x = 622,557,420,450.50/905,864.65
  6. Step 6: Final answer
    x = 687,252.14

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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.