Home / 447,759.07-671,727.24-127,913.70

Finding the Fourth Proportional to 447,759.07, 671,727.24 and 127,913.70

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Solution

The fourth proportional to 447,759.07, 671,727.24 and 127,913.70 is: 191,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,759.07 : 671,727.24 = 127,913.70 : x
  2. Step 2: Convert to fraction form
    447,759.07/671,727.24 = 127,913.70/x
  3. Step 3: Cross multiply
    447,759.07x = 671,727.24 × 127,913.70
  4. Step 4: Simplify right side
    447,759.07x = 85,923,116,659.19
  5. Step 5: Solve for x
    x = 85,923,116,659.19/447,759.07
  6. Step 6: Final answer
    x = 191,895.87

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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.