Home / 905,987.42-1,250,230.76-498,086.30

Finding the Fourth Proportional to 905,987.42, 1,250,230.76 and 498,086.30

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Solution

The fourth proportional to 905,987.42, 1,250,230.76 and 498,086.30 is: 687,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,987.42 : 1,250,230.76 = 498,086.30 : x
  2. Step 2: Convert to fraction form
    905,987.42/1,250,230.76 = 498,086.30/x
  3. Step 3: Cross multiply
    905,987.42x = 1,250,230.76 × 498,086.30
  4. Step 4: Simplify right side
    905,987.42x = 622,722,813,394.59
  5. Step 5: Solve for x
    x = 622,722,813,394.59/905,987.42
  6. Step 6: Final answer
    x = 687,341.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.