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Finding the Fourth Proportional to 503,391, 755,436.24 and 325,456.68

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Solution

The fourth proportional to 503,391, 755,436.24 and 325,456.68 is: 488,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,391 : 755,436.24 = 325,456.68 : x
  2. Step 2: Convert to fraction form
    503,391/755,436.24 = 325,456.68/x
  3. Step 3: Cross multiply
    503,391x = 755,436.24 × 325,456.68
  4. Step 4: Simplify right side
    503,391x = 245,861,770,622.08
  5. Step 5: Solve for x
    x = 245,861,770,622.08/503,391
  6. Step 6: Final answer
    x = 488,411.14

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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.