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Finding the Fourth Proportional to 888,084, 1,225,585.08 and 485,676

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Solution

The fourth proportional to 888,084, 1,225,585.08 and 485,676 is: 670,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,084 : 1,225,585.08 = 485,676 : x
  2. Step 2: Convert to fraction form
    888,084/1,225,585.08 = 485,676/x
  3. Step 3: Cross multiply
    888,084x = 1,225,585.08 × 485,676
  4. Step 4: Simplify right side
    888,084x = 595,237,259,314.08
  5. Step 5: Solve for x
    x = 595,237,259,314.08/888,084
  6. Step 6: Final answer
    x = 670,248.83

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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.