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Finding the Fourth Proportional to 615,454.70, 922,404.45 and 548,581.10

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Solution

The fourth proportional to 615,454.70, 922,404.45 and 548,581.10 is: 822,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,454.70 : 922,404.45 = 548,581.10 : x
  2. Step 2: Convert to fraction form
    615,454.70/922,404.45 = 548,581.10/x
  3. Step 3: Cross multiply
    615,454.70x = 922,404.45 × 548,581.10
  4. Step 4: Simplify right side
    615,454.70x = 506,013,647,825.90
  5. Step 5: Solve for x
    x = 506,013,647,825.90/615,454.70
  6. Step 6: Final answer
    x = 822,178.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.