Home / 807,822.97-1,211,765.20-302,330.72

Finding the Fourth Proportional to 807,822.97, 1,211,765.20 and 302,330.72

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Solution

The fourth proportional to 807,822.97, 1,211,765.20 and 302,330.72 is: 453,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,822.97 : 1,211,765.20 = 302,330.72 : x
  2. Step 2: Convert to fraction form
    807,822.97/1,211,765.20 = 302,330.72/x
  3. Step 3: Cross multiply
    807,822.97x = 1,211,765.20 × 302,330.72
  4. Step 4: Simplify right side
    807,822.97x = 366,353,847,660.53
  5. Step 5: Solve for x
    x = 366,353,847,660.53/807,822.97
  6. Step 6: Final answer
    x = 453,507.59

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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.