Home / 750,965.31-1,126,447.92-498,738.44

Finding the Fourth Proportional to 750,965.31, 1,126,447.92 and 498,738.44

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Solution

The fourth proportional to 750,965.31, 1,126,447.92 and 498,738.44 is: 748,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,965.31 : 1,126,447.92 = 498,738.44 : x
  2. Step 2: Convert to fraction form
    750,965.31/1,126,447.92 = 498,738.44/x
  3. Step 3: Cross multiply
    750,965.31x = 1,126,447.92 × 498,738.44
  4. Step 4: Simplify right side
    750,965.31x = 561,802,872,729.81
  5. Step 5: Solve for x
    x = 561,802,872,729.81/750,965.31
  6. Step 6: Final answer
    x = 748,107.62

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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.