Home / 476,607.48-657,718.20-261,747.60

Finding the Fourth Proportional to 476,607.48, 657,718.20 and 261,747.60

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Solution

The fourth proportional to 476,607.48, 657,718.20 and 261,747.60 is: 361,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,607.48 : 657,718.20 = 261,747.60 : x
  2. Step 2: Convert to fraction form
    476,607.48/657,718.20 = 261,747.60/x
  3. Step 3: Cross multiply
    476,607.48x = 657,718.20 × 261,747.60
  4. Step 4: Simplify right side
    476,607.48x = 172,156,160,326.32
  5. Step 5: Solve for x
    x = 172,156,160,326.32/476,607.48
  6. Step 6: Final answer
    x = 361,211.62

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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.