Home / 759,819.93-1,139,732.01-310,540.88

Finding the Fourth Proportional to 759,819.93, 1,139,732.01 and 310,540.88

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Solution

The fourth proportional to 759,819.93, 1,139,732.01 and 310,540.88 is: 465,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,819.93 : 1,139,732.01 = 310,540.88 : x
  2. Step 2: Convert to fraction form
    759,819.93/1,139,732.01 = 310,540.88/x
  3. Step 3: Cross multiply
    759,819.93x = 1,139,732.01 × 310,540.88
  4. Step 4: Simplify right side
    759,819.93x = 353,933,375,650.91
  5. Step 5: Solve for x
    x = 353,933,375,650.91/759,819.93
  6. Step 6: Final answer
    x = 465,812.18

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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.