Home / 798,438.78-1,198,283.85-556,982.10

Finding the Fourth Proportional to 798,438.78, 1,198,283.85 and 556,982.10

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Solution

The fourth proportional to 798,438.78, 1,198,283.85 and 556,982.10 is: 835,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,438.78 : 1,198,283.85 = 556,982.10 : x
  2. Step 2: Convert to fraction form
    798,438.78/1,198,283.85 = 556,982.10/x
  3. Step 3: Cross multiply
    798,438.78x = 1,198,283.85 × 556,982.10
  4. Step 4: Simplify right side
    798,438.78x = 667,422,655,169.09
  5. Step 5: Solve for x
    x = 667,422,655,169.09/798,438.78
  6. Step 6: Final answer
    x = 835,909.62

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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.