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Finding the Fourth Proportional to 400,286.80, 598,972.20 and 295,310.80

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Solution

The fourth proportional to 400,286.80, 598,972.20 and 295,310.80 is: 441,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,286.80 : 598,972.20 = 295,310.80 : x
  2. Step 2: Convert to fraction form
    400,286.80/598,972.20 = 295,310.80/x
  3. Step 3: Cross multiply
    400,286.80x = 598,972.20 × 295,310.80
  4. Step 4: Simplify right side
    400,286.80x = 176,882,959,559.76
  5. Step 5: Solve for x
    x = 176,882,959,559.76/400,286.80
  6. Step 6: Final answer
    x = 441,890.56

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1.5x scale

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.