Home / 887,662.19-1,224,949.32-500,474.30

Finding the Fourth Proportional to 887,662.19, 1,224,949.32 and 500,474.30

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Solution

The fourth proportional to 887,662.19, 1,224,949.32 and 500,474.30 is: 690,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,662.19 : 1,224,949.32 = 500,474.30 : x
  2. Step 2: Convert to fraction form
    887,662.19/1,224,949.32 = 500,474.30/x
  3. Step 3: Cross multiply
    887,662.19x = 1,224,949.32 × 500,474.30
  4. Step 4: Simplify right side
    887,662.19x = 613,055,647,337.73
  5. Step 5: Solve for x
    x = 613,055,647,337.73/887,662.19
  6. Step 6: Final answer
    x = 690,640.71

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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.