Home / 463,207.05-639,080.04-259,225.56

Finding the Fourth Proportional to 463,207.05, 639,080.04 and 259,225.56

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Solution

The fourth proportional to 463,207.05, 639,080.04 and 259,225.56 is: 357,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,207.05 : 639,080.04 = 259,225.56 : x
  2. Step 2: Convert to fraction form
    463,207.05/639,080.04 = 259,225.56/x
  3. Step 3: Cross multiply
    463,207.05x = 639,080.04 × 259,225.56
  4. Step 4: Simplify right side
    463,207.05x = 165,665,882,225.92
  5. Step 5: Solve for x
    x = 165,665,882,225.92/463,207.05
  6. Step 6: Final answer
    x = 357,649.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.