Home / 888,542.46-1,225,799.04-520,833.18

Finding the Fourth Proportional to 888,542.46, 1,225,799.04 and 520,833.18

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Solution

The fourth proportional to 888,542.46, 1,225,799.04 and 520,833.18 is: 718,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,542.46 : 1,225,799.04 = 520,833.18 : x
  2. Step 2: Convert to fraction form
    888,542.46/1,225,799.04 = 520,833.18/x
  3. Step 3: Cross multiply
    888,542.46x = 1,225,799.04 × 520,833.18
  4. Step 4: Simplify right side
    888,542.46x = 638,436,812,044.15
  5. Step 5: Solve for x
    x = 638,436,812,044.15/888,542.46
  6. Step 6: Final answer
    x = 718,521.44

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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.