Home / 888,154.20-1,225,578.84-500,948.28

Finding the Fourth Proportional to 888,154.20, 1,225,578.84 and 500,948.28

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Solution

The fourth proportional to 888,154.20, 1,225,578.84 and 500,948.28 is: 691,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,154.20 : 1,225,578.84 = 500,948.28 : x
  2. Step 2: Convert to fraction form
    888,154.20/1,225,578.84 = 500,948.28/x
  3. Step 3: Cross multiply
    888,154.20x = 1,225,578.84 × 500,948.28
  4. Step 4: Simplify right side
    888,154.20x = 613,951,611,902.40
  5. Step 5: Solve for x
    x = 613,951,611,902.40/888,154.20
  6. Step 6: Final answer
    x = 691,266.91

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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.