Home / 783,791.28-1,174,854.48-498,584.58

Finding the Fourth Proportional to 783,791.28, 1,174,854.48 and 498,584.58

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Solution

The fourth proportional to 783,791.28, 1,174,854.48 and 498,584.58 is: 747,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,791.28 : 1,174,854.48 = 498,584.58 : x
  2. Step 2: Convert to fraction form
    783,791.28/1,174,854.48 = 498,584.58/x
  3. Step 3: Cross multiply
    783,791.28x = 1,174,854.48 × 498,584.58
  4. Step 4: Simplify right side
    783,791.28x = 585,764,327,471.92
  5. Step 5: Solve for x
    x = 585,764,327,471.92/783,791.28
  6. Step 6: Final answer
    x = 747,347.34

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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.