Home / 958,979.28-1,438,469.64-327,897.84

Finding the Fourth Proportional to 958,979.28, 1,438,469.64 and 327,897.84

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Solution

The fourth proportional to 958,979.28, 1,438,469.64 and 327,897.84 is: 491,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,979.28 : 1,438,469.64 = 327,897.84 : x
  2. Step 2: Convert to fraction form
    958,979.28/1,438,469.64 = 327,897.84/x
  3. Step 3: Cross multiply
    958,979.28x = 1,438,469.64 × 327,897.84
  4. Step 4: Simplify right side
    958,979.28x = 471,671,087,861.58
  5. Step 5: Solve for x
    x = 471,671,087,861.58/958,979.28
  6. Step 6: Final answer
    x = 491,847.01

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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.