Home / 887,977.60-1,331,091.60-438,767.80

Finding the Fourth Proportional to 887,977.60, 1,331,091.60 and 438,767.80

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Solution

The fourth proportional to 887,977.60, 1,331,091.60 and 438,767.80 is: 657,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,977.60 : 1,331,091.60 = 438,767.80 : x
  2. Step 2: Convert to fraction form
    887,977.60/1,331,091.60 = 438,767.80/x
  3. Step 3: Cross multiply
    887,977.60x = 1,331,091.60 × 438,767.80
  4. Step 4: Simplify right side
    887,977.60x = 584,040,132,930.48
  5. Step 5: Solve for x
    x = 584,040,132,930.48/887,977.60
  6. Step 6: Final answer
    x = 657,719.44

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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.