Home / 787,819.69-1,181,884.38-282,244.42

Finding the Fourth Proportional to 787,819.69, 1,181,884.38 and 282,244.42

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Solution

The fourth proportional to 787,819.69, 1,181,884.38 and 282,244.42 is: 423,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,819.69 : 1,181,884.38 = 282,244.42 : x
  2. Step 2: Convert to fraction form
    787,819.69/1,181,884.38 = 282,244.42/x
  3. Step 3: Cross multiply
    787,819.69x = 1,181,884.38 × 282,244.42
  4. Step 4: Simplify right side
    787,819.69x = 333,580,271,340.16
  5. Step 5: Solve for x
    x = 333,580,271,340.16/787,819.69
  6. Step 6: Final answer
    x = 423,422.10

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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.