Home / 751,532.57-1,036,644.35-493,422.83

Finding the Fourth Proportional to 751,532.57, 1,036,644.35 and 493,422.83

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Solution

The fourth proportional to 751,532.57, 1,036,644.35 and 493,422.83 is: 680,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,532.57 : 1,036,644.35 = 493,422.83 : x
  2. Step 2: Convert to fraction form
    751,532.57/1,036,644.35 = 493,422.83/x
  3. Step 3: Cross multiply
    751,532.57x = 1,036,644.35 × 493,422.83
  4. Step 4: Simplify right side
    751,532.57x = 511,503,981,230.18
  5. Step 5: Solve for x
    x = 511,503,981,230.18/751,532.57
  6. Step 6: Final answer
    x = 680,614.53

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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.