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Finding the Fourth Proportional to 548,507.97, 822,632.78 and 308,723.92

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Solution

The fourth proportional to 548,507.97, 822,632.78 and 308,723.92 is: 463,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,507.97 : 822,632.78 = 308,723.92 : x
  2. Step 2: Convert to fraction form
    548,507.97/822,632.78 = 308,723.92/x
  3. Step 3: Cross multiply
    548,507.97x = 822,632.78 × 308,723.92
  4. Step 4: Simplify right side
    548,507.97x = 253,966,416,562.10
  5. Step 5: Solve for x
    x = 253,966,416,562.10/548,507.97
  6. Step 6: Final answer
    x = 463,013.17

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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.