Home / 457,025.49-630,701.61-263,326.14

Finding the Fourth Proportional to 457,025.49, 630,701.61 and 263,326.14

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Solution

The fourth proportional to 457,025.49, 630,701.61 and 263,326.14 is: 363,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,025.49 : 630,701.61 = 263,326.14 : x
  2. Step 2: Convert to fraction form
    457,025.49/630,701.61 = 263,326.14/x
  3. Step 3: Cross multiply
    457,025.49x = 630,701.61 × 263,326.14
  4. Step 4: Simplify right side
    457,025.49x = 166,080,220,453.09
  5. Step 5: Solve for x
    x = 166,080,220,453.09/457,025.49
  6. Step 6: Final answer
    x = 363,393.78

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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.