Home / 747,442.05-1,121,310.63-274,131.51

Finding the Fourth Proportional to 747,442.05, 1,121,310.63 and 274,131.51

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Solution

The fourth proportional to 747,442.05, 1,121,310.63 and 274,131.51 is: 411,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,442.05 : 1,121,310.63 = 274,131.51 : x
  2. Step 2: Convert to fraction form
    747,442.05/1,121,310.63 = 274,131.51/x
  3. Step 3: Cross multiply
    747,442.05x = 1,121,310.63 × 274,131.51
  4. Step 4: Simplify right side
    747,442.05x = 307,386,576,180.95
  5. Step 5: Solve for x
    x = 307,386,576,180.95/747,442.05
  6. Step 6: Final answer
    x = 411,251.38

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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.