Home / 615,456.20-922,406.70-548,582.60

Finding the Fourth Proportional to 615,456.20, 922,406.70 and 548,582.60

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Solution

The fourth proportional to 615,456.20, 922,406.70 and 548,582.60 is: 822,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,456.20 : 922,406.70 = 548,582.60 : x
  2. Step 2: Convert to fraction form
    615,456.20/922,406.70 = 548,582.60/x
  3. Step 3: Cross multiply
    615,456.20x = 922,406.70 × 548,582.60
  4. Step 4: Simplify right side
    615,456.20x = 506,016,265,743.42
  5. Step 5: Solve for x
    x = 506,016,265,743.42/615,456.20
  6. Step 6: Final answer
    x = 822,180.79

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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.