Home / 864,769.92-1,297,952.22-438,604.80

Finding the Fourth Proportional to 864,769.92, 1,297,952.22 and 438,604.80

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Solution

The fourth proportional to 864,769.92, 1,297,952.22 and 438,604.80 is: 658,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,769.92 : 1,297,952.22 = 438,604.80 : x
  2. Step 2: Convert to fraction form
    864,769.92/1,297,952.22 = 438,604.80/x
  3. Step 3: Cross multiply
    864,769.92x = 1,297,952.22 × 438,604.80
  4. Step 4: Simplify right side
    864,769.92x = 569,288,073,862.66
  5. Step 5: Solve for x
    x = 569,288,073,862.66/864,769.92
  6. Step 6: Final answer
    x = 658,311.60

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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.