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Finding the Fourth Proportional to 527,080.86, 790,768.89 and 211,759.20

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Solution

The fourth proportional to 527,080.86, 790,768.89 and 211,759.20 is: 317,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,080.86 : 790,768.89 = 211,759.20 : x
  2. Step 2: Convert to fraction form
    527,080.86/790,768.89 = 211,759.20/x
  3. Step 3: Cross multiply
    527,080.86x = 790,768.89 × 211,759.20
  4. Step 4: Simplify right side
    527,080.86x = 167,452,587,531.29
  5. Step 5: Solve for x
    x = 167,452,587,531.29/527,080.86
  6. Step 6: Final answer
    x = 317,698.10

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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.