Home / 478,132.88-659,823.37-263,272.43

Finding the Fourth Proportional to 478,132.88, 659,823.37 and 263,272.43

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Solution

The fourth proportional to 478,132.88, 659,823.37 and 263,272.43 is: 363,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,132.88 : 659,823.37 = 263,272.43 : x
  2. Step 2: Convert to fraction form
    478,132.88/659,823.37 = 263,272.43/x
  3. Step 3: Cross multiply
    478,132.88x = 659,823.37 × 263,272.43
  4. Step 4: Simplify right side
    478,132.88x = 173,713,299,270.56
  5. Step 5: Solve for x
    x = 173,713,299,270.56/478,132.88
  6. Step 6: Final answer
    x = 363,315.95

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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.