Home / 859,340.68-1,287,788.96-632,920.60

Finding the Fourth Proportional to 859,340.68, 1,287,788.96 and 632,920.60

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Solution

The fourth proportional to 859,340.68, 1,287,788.96 and 632,920.60 is: 948,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,340.68 : 1,287,788.96 = 632,920.60 : x
  2. Step 2: Convert to fraction form
    859,340.68/1,287,788.96 = 632,920.60/x
  3. Step 3: Cross multiply
    859,340.68x = 1,287,788.96 × 632,920.60
  4. Step 4: Simplify right side
    859,340.68x = 815,068,161,236.58
  5. Step 5: Solve for x
    x = 815,068,161,236.58/859,340.68
  6. Step 6: Final answer
    x = 948,480.83

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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.