Home / 476,447.28-657,498.52-261,601.26

Finding the Fourth Proportional to 476,447.28, 657,498.52 and 261,601.26

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Solution

The fourth proportional to 476,447.28, 657,498.52 and 261,601.26 is: 361,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,447.28 : 657,498.52 = 261,601.26 : x
  2. Step 2: Convert to fraction form
    476,447.28/657,498.52 = 261,601.26/x
  3. Step 3: Cross multiply
    476,447.28x = 657,498.52 × 261,601.26
  4. Step 4: Simplify right side
    476,447.28x = 172,002,441,280.14
  5. Step 5: Solve for x
    x = 172,002,441,280.14/476,447.28
  6. Step 6: Final answer
    x = 361,010.44

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1.5x scale

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.