Home / 905,971.03-1,250,208.15-498,069.92

Finding the Fourth Proportional to 905,971.03, 1,250,208.15 and 498,069.92

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Solution

The fourth proportional to 905,971.03, 1,250,208.15 and 498,069.92 is: 687,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,971.03 : 1,250,208.15 = 498,069.92 : x
  2. Step 2: Convert to fraction form
    905,971.03/1,250,208.15 = 498,069.92/x
  3. Step 3: Cross multiply
    905,971.03x = 1,250,208.15 × 498,069.92
  4. Step 4: Simplify right side
    905,971.03x = 622,691,073,253.85
  5. Step 5: Solve for x
    x = 622,691,073,253.85/905,971.03
  6. Step 6: Final answer
    x = 687,318.97

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1.5x scale

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.