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Finding the Fourth Proportional to 748,904, 1,123,356 and 250,268

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Solution

The fourth proportional to 748,904, 1,123,356 and 250,268 is: 375,402

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,904 : 1,123,356 = 250,268 : x
  2. Step 2: Convert to fraction form
    748,904/1,123,356 = 250,268/x
  3. Step 3: Cross multiply
    748,904x = 1,123,356 × 250,268
  4. Step 4: Simplify right side
    748,904x = 281,140,059,408
  5. Step 5: Solve for x
    x = 281,140,059,408/748,904
  6. Step 6: Final answer
    x = 375,402

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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.