Home / 814,892.20-1,223,259.90-482,655.40

Finding the Fourth Proportional to 814,892.20, 1,223,259.90 and 482,655.40

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Solution

The fourth proportional to 814,892.20, 1,223,259.90 and 482,655.40 is: 724,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,892.20 : 1,223,259.90 = 482,655.40 : x
  2. Step 2: Convert to fraction form
    814,892.20/1,223,259.90 = 482,655.40/x
  3. Step 3: Cross multiply
    814,892.20x = 1,223,259.90 × 482,655.40
  4. Step 4: Simplify right side
    814,892.20x = 590,412,996,338.46
  5. Step 5: Solve for x
    x = 590,412,996,338.46/814,892.20
  6. Step 6: Final answer
    x = 724,528.96

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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.