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Finding the Fourth Proportional to 538,404.17, 743,266.76 and 417,273.53

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Solution

The fourth proportional to 538,404.17, 743,266.76 and 417,273.53 is: 576,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,404.17 : 743,266.76 = 417,273.53 : x
  2. Step 2: Convert to fraction form
    538,404.17/743,266.76 = 417,273.53/x
  3. Step 3: Cross multiply
    538,404.17x = 743,266.76 × 417,273.53
  4. Step 4: Simplify right side
    538,404.17x = 310,145,538,874.16
  5. Step 5: Solve for x
    x = 310,145,538,874.16/538,404.17
  6. Step 6: Final answer
    x = 576,045.95

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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.