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Finding the Fourth Proportional to 548,646.93, 757,102.23 and 306,882.78

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Solution

The fourth proportional to 548,646.93, 757,102.23 and 306,882.78 is: 423,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,646.93 : 757,102.23 = 306,882.78 : x
  2. Step 2: Convert to fraction form
    548,646.93/757,102.23 = 306,882.78/x
  3. Step 3: Cross multiply
    548,646.93x = 757,102.23 × 306,882.78
  4. Step 4: Simplify right side
    548,646.93x = 232,341,637,086.60
  5. Step 5: Solve for x
    x = 232,341,637,086.60/548,646.93
  6. Step 6: Final answer
    x = 423,481.16

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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.