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Finding the Fourth Proportional to 448,524.99, 672,787.49 and 307,857.15

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Solution

The fourth proportional to 448,524.99, 672,787.49 and 307,857.15 is: 461,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,524.99 : 672,787.49 = 307,857.15 : x
  2. Step 2: Convert to fraction form
    448,524.99/672,787.49 = 307,857.15/x
  3. Step 3: Cross multiply
    448,524.99x = 672,787.49 × 307,857.15
  4. Step 4: Simplify right side
    448,524.99x = 207,122,437,687.77
  5. Step 5: Solve for x
    x = 207,122,437,687.77/448,524.99
  6. Step 6: Final answer
    x = 461,785.73

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Similar ratio
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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.