Home / 813,250.20-1,218,125.70-673,282.20

Finding the Fourth Proportional to 813,250.20, 1,218,125.70 and 673,282.20

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Solution

The fourth proportional to 813,250.20, 1,218,125.70 and 673,282.20 is: 1,008,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,250.20 : 1,218,125.70 = 673,282.20 : x
  2. Step 2: Convert to fraction form
    813,250.20/1,218,125.70 = 673,282.20/x
  3. Step 3: Cross multiply
    813,250.20x = 1,218,125.70 × 673,282.20
  4. Step 4: Simplify right side
    813,250.20x = 820,142,351,172.54
  5. Step 5: Solve for x
    x = 820,142,351,172.54/813,250.20
  6. Step 6: Final answer
    x = 1,008,474.82

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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.