Home / 787,231.20-1,179,097.20-609,160.80

Finding the Fourth Proportional to 787,231.20, 1,179,097.20 and 609,160.80

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Solution

The fourth proportional to 787,231.20, 1,179,097.20 and 609,160.80 is: 912,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,231.20 : 1,179,097.20 = 609,160.80 : x
  2. Step 2: Convert to fraction form
    787,231.20/1,179,097.20 = 609,160.80/x
  3. Step 3: Cross multiply
    787,231.20x = 1,179,097.20 × 609,160.80
  4. Step 4: Simplify right side
    787,231.20x = 718,259,793,629.76
  5. Step 5: Solve for x
    x = 718,259,793,629.76/787,231.20
  6. Step 6: Final answer
    x = 912,387.36

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Double scale
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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.