Home / 888,144.05-1,225,564.74-500,938.13

Finding the Fourth Proportional to 888,144.05, 1,225,564.74 and 500,938.13

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Solution

The fourth proportional to 888,144.05, 1,225,564.74 and 500,938.13 is: 691,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,144.05 : 1,225,564.74 = 500,938.13 : x
  2. Step 2: Convert to fraction form
    888,144.05/1,225,564.74 = 500,938.13/x
  3. Step 3: Cross multiply
    888,144.05x = 1,225,564.74 × 500,938.13
  4. Step 4: Simplify right side
    888,144.05x = 613,932,109,049.54
  5. Step 5: Solve for x
    x = 613,932,109,049.54/888,144.05
  6. Step 6: Final answer
    x = 691,252.85

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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.