Home / 807,728.65-1,211,737.05-268,017.34

Finding the Fourth Proportional to 807,728.65, 1,211,737.05 and 268,017.34

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Solution

The fourth proportional to 807,728.65, 1,211,737.05 and 268,017.34 is: 402,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,728.65 : 1,211,737.05 = 268,017.34 : x
  2. Step 2: Convert to fraction form
    807,728.65/1,211,737.05 = 268,017.34/x
  3. Step 3: Cross multiply
    807,728.65x = 1,211,737.05 × 268,017.34
  4. Step 4: Simplify right side
    807,728.65x = 324,766,540,920.45
  5. Step 5: Solve for x
    x = 324,766,540,920.45/807,728.65
  6. Step 6: Final answer
    x = 402,073.82

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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.