Home / 476,629.56-657,753.30-261,774

Finding the Fourth Proportional to 476,629.56, 657,753.30 and 261,774

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Solution

The fourth proportional to 476,629.56, 657,753.30 and 261,774 is: 361,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,629.56 : 657,753.30 = 261,774 : x
  2. Step 2: Convert to fraction form
    476,629.56/657,753.30 = 261,774/x
  3. Step 3: Cross multiply
    476,629.56x = 657,753.30 × 261,774
  4. Step 4: Simplify right side
    476,629.56x = 172,182,712,354.20
  5. Step 5: Solve for x
    x = 172,182,712,354.20/476,629.56
  6. Step 6: Final answer
    x = 361,250.60

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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.