Home / 971,375.46-1,457,238.51-439,147.14

Finding the Fourth Proportional to 971,375.46, 1,457,238.51 and 439,147.14

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Solution

The fourth proportional to 971,375.46, 1,457,238.51 and 439,147.14 is: 658,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,375.46 : 1,457,238.51 = 439,147.14 : x
  2. Step 2: Convert to fraction form
    971,375.46/1,457,238.51 = 439,147.14/x
  3. Step 3: Cross multiply
    971,375.46x = 1,457,238.51 × 439,147.14
  4. Step 4: Simplify right side
    971,375.46x = 639,942,123,964.36
  5. Step 5: Solve for x
    x = 639,942,123,964.36/971,375.46
  6. Step 6: Final answer
    x = 658,799.97

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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.