Home / 550,377.28-759,522.02-321,092.20

Finding the Fourth Proportional to 550,377.28, 759,522.02 and 321,092.20

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Solution

The fourth proportional to 550,377.28, 759,522.02 and 321,092.20 is: 443,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,377.28 : 759,522.02 = 321,092.20 : x
  2. Step 2: Convert to fraction form
    550,377.28/759,522.02 = 321,092.20/x
  3. Step 3: Cross multiply
    550,377.28x = 759,522.02 × 321,092.20
  4. Step 4: Simplify right side
    550,377.28x = 243,876,595,694.19
  5. Step 5: Solve for x
    x = 243,876,595,694.19/550,377.28
  6. Step 6: Final answer
    x = 443,108.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.