Home / 439,731.10-659,700.60-350,112.70

Finding the Fourth Proportional to 439,731.10, 659,700.60 and 350,112.70

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Solution

The fourth proportional to 439,731.10, 659,700.60 and 350,112.70 is: 525,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,731.10 : 659,700.60 = 350,112.70 : x
  2. Step 2: Convert to fraction form
    439,731.10/659,700.60 = 350,112.70/x
  3. Step 3: Cross multiply
    439,731.10x = 659,700.60 × 350,112.70
  4. Step 4: Simplify right side
    439,731.10x = 230,969,558,257.62
  5. Step 5: Solve for x
    x = 230,969,558,257.62/439,731.10
  6. Step 6: Final answer
    x = 525,251.81

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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.