Home / 476,717.56-657,867.82-261,856.96

Finding the Fourth Proportional to 476,717.56, 657,867.82 and 261,856.96

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Solution

The fourth proportional to 476,717.56, 657,867.82 and 261,856.96 is: 361,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,717.56 : 657,867.82 = 261,856.96 : x
  2. Step 2: Convert to fraction form
    476,717.56/657,867.82 = 261,856.96/x
  3. Step 3: Cross multiply
    476,717.56x = 657,867.82 × 261,856.96
  4. Step 4: Simplify right side
    476,717.56x = 172,267,267,427.03
  5. Step 5: Solve for x
    x = 172,267,267,427.03/476,717.56
  6. Step 6: Final answer
    x = 361,361.28

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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.