Home / 721,447.48-1,082,160.24-248,136.94

Finding the Fourth Proportional to 721,447.48, 1,082,160.24 and 248,136.94

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Solution

The fourth proportional to 721,447.48, 1,082,160.24 and 248,136.94 is: 372,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,447.48 : 1,082,160.24 = 248,136.94 : x
  2. Step 2: Convert to fraction form
    721,447.48/1,082,160.24 = 248,136.94/x
  3. Step 3: Cross multiply
    721,447.48x = 1,082,160.24 × 248,136.94
  4. Step 4: Simplify right side
    721,447.48x = 268,523,930,543.27
  5. Step 5: Solve for x
    x = 268,523,930,543.27/721,447.48
  6. Step 6: Final answer
    x = 372,201.63

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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.