Home / 457,227.12-630,919.26-263,632.80

Finding the Fourth Proportional to 457,227.12, 630,919.26 and 263,632.80

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Solution

The fourth proportional to 457,227.12, 630,919.26 and 263,632.80 is: 363,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,227.12 : 630,919.26 = 263,632.80 : x
  2. Step 2: Convert to fraction form
    457,227.12/630,919.26 = 263,632.80/x
  3. Step 3: Cross multiply
    457,227.12x = 630,919.26 × 263,632.80
  4. Step 4: Simplify right side
    457,227.12x = 166,331,011,087.73
  5. Step 5: Solve for x
    x = 166,331,011,087.73/457,227.12
  6. Step 6: Final answer
    x = 363,782.03

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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.