Home / 476,512.80-657,557.76-261,651.36

Finding the Fourth Proportional to 476,512.80, 657,557.76 and 261,651.36

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Solution

The fourth proportional to 476,512.80, 657,557.76 and 261,651.36 is: 361,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,512.80 : 657,557.76 = 261,651.36 : x
  2. Step 2: Convert to fraction form
    476,512.80/657,557.76 = 261,651.36/x
  3. Step 3: Cross multiply
    476,512.80x = 657,557.76 × 261,651.36
  4. Step 4: Simplify right side
    476,512.80x = 172,050,882,182.55
  5. Step 5: Solve for x
    x = 172,050,882,182.55/476,512.80
  6. Step 6: Final answer
    x = 361,062.46

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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.