Home / 457,179.09-630,872.80-263,449.16

Finding the Fourth Proportional to 457,179.09, 630,872.80 and 263,449.16

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Solution

The fourth proportional to 457,179.09, 630,872.80 and 263,449.16 is: 363,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,179.09 : 630,872.80 = 263,449.16 : x
  2. Step 2: Convert to fraction form
    457,179.09/630,872.80 = 263,449.16/x
  3. Step 3: Cross multiply
    457,179.09x = 630,872.80 × 263,449.16
  4. Step 4: Simplify right side
    457,179.09x = 166,202,909,261.54
  5. Step 5: Solve for x
    x = 166,202,909,261.54/457,179.09
  6. Step 6: Final answer
    x = 363,540.05

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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.