Home / 905,974.17-1,250,212.49-498,073.06

Finding the Fourth Proportional to 905,974.17, 1,250,212.49 and 498,073.06

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Solution

The fourth proportional to 905,974.17, 1,250,212.49 and 498,073.06 is: 687,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,974.17 : 1,250,212.49 = 498,073.06 : x
  2. Step 2: Convert to fraction form
    905,974.17/1,250,212.49 = 498,073.06/x
  3. Step 3: Cross multiply
    905,974.17x = 1,250,212.49 × 498,073.06
  4. Step 4: Simplify right side
    905,974.17x = 622,697,154,452.25
  5. Step 5: Solve for x
    x = 622,697,154,452.25/905,974.17
  6. Step 6: Final answer
    x = 687,323.30

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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.