Home / 987,691.55-1,481,537.90-277,719.59

Finding the Fourth Proportional to 987,691.55, 1,481,537.90 and 277,719.59

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Solution

The fourth proportional to 987,691.55, 1,481,537.90 and 277,719.59 is: 416,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,691.55 : 1,481,537.90 = 277,719.59 : x
  2. Step 2: Convert to fraction form
    987,691.55/1,481,537.90 = 277,719.59/x
  3. Step 3: Cross multiply
    987,691.55x = 1,481,537.90 × 277,719.59
  4. Step 4: Simplify right side
    987,691.55x = 411,452,098,157.46
  5. Step 5: Solve for x
    x = 411,452,098,157.46/987,691.55
  6. Step 6: Final answer
    x = 416,579.55

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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.