Home / 766,819.92-1,149,679.80-293,106

Finding the Fourth Proportional to 766,819.92, 1,149,679.80 and 293,106

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Solution

The fourth proportional to 766,819.92, 1,149,679.80 and 293,106 is: 439,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,819.92 : 1,149,679.80 = 293,106 : x
  2. Step 2: Convert to fraction form
    766,819.92/1,149,679.80 = 293,106/x
  3. Step 3: Cross multiply
    766,819.92x = 1,149,679.80 × 293,106
  4. Step 4: Simplify right side
    766,819.92x = 336,978,047,458.80
  5. Step 5: Solve for x
    x = 336,978,047,458.80/766,819.92
  6. Step 6: Final answer
    x = 439,448.74

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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.