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Finding the Fourth Proportional to 476,727, 657,723.07 and 269,967.21

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Solution

The fourth proportional to 476,727, 657,723.07 and 269,967.21 is: 372,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,727 : 657,723.07 = 269,967.21 : x
  2. Step 2: Convert to fraction form
    476,727/657,723.07 = 269,967.21/x
  3. Step 3: Cross multiply
    476,727x = 657,723.07 × 269,967.21
  4. Step 4: Simplify right side
    476,727x = 177,563,662,160.54
  5. Step 5: Solve for x
    x = 177,563,662,160.54/476,727
  6. Step 6: Final answer
    x = 372,464.04

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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.