Home / 814,891.20-1,223,258.40-482,654.40

Finding the Fourth Proportional to 814,891.20, 1,223,258.40 and 482,654.40

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Solution

The fourth proportional to 814,891.20, 1,223,258.40 and 482,654.40 is: 724,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,891.20 : 1,223,258.40 = 482,654.40 : x
  2. Step 2: Convert to fraction form
    814,891.20/1,223,258.40 = 482,654.40/x
  3. Step 3: Cross multiply
    814,891.20x = 1,223,258.40 × 482,654.40
  4. Step 4: Simplify right side
    814,891.20x = 590,411,049,096.96
  5. Step 5: Solve for x
    x = 590,411,049,096.96/814,891.20
  6. Step 6: Final answer
    x = 724,527.46

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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.