Home / 476,356.71-657,355.23-269,620.66

Finding the Fourth Proportional to 476,356.71, 657,355.23 and 269,620.66

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Solution

The fourth proportional to 476,356.71, 657,355.23 and 269,620.66 is: 372,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,356.71 : 657,355.23 = 269,620.66 : x
  2. Step 2: Convert to fraction form
    476,356.71/657,355.23 = 269,620.66/x
  3. Step 3: Cross multiply
    476,356.71x = 657,355.23 × 269,620.66
  4. Step 4: Simplify right side
    476,356.71x = 177,236,549,134.28
  5. Step 5: Solve for x
    x = 177,236,549,134.28/476,356.71
  6. Step 6: Final answer
    x = 372,066.87

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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.