Home / 776,748.18-1,165,575.39-327,441.78

Finding the Fourth Proportional to 776,748.18, 1,165,575.39 and 327,441.78

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Solution

The fourth proportional to 776,748.18, 1,165,575.39 and 327,441.78 is: 491,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,748.18 : 1,165,575.39 = 327,441.78 : x
  2. Step 2: Convert to fraction form
    776,748.18/1,165,575.39 = 327,441.78/x
  3. Step 3: Cross multiply
    776,748.18x = 1,165,575.39 × 327,441.78
  4. Step 4: Simplify right side
    776,748.18x = 381,658,080,425.79
  5. Step 5: Solve for x
    x = 381,658,080,425.79/776,748.18
  6. Step 6: Final answer
    x = 491,353.68

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1.5x scale

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.