Home / 457,015.53-630,687.96-263,316.39

Finding the Fourth Proportional to 457,015.53, 630,687.96 and 263,316.39

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Solution

The fourth proportional to 457,015.53, 630,687.96 and 263,316.39 is: 363,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,015.53 : 630,687.96 = 263,316.39 : x
  2. Step 2: Convert to fraction form
    457,015.53/630,687.96 = 263,316.39/x
  3. Step 3: Cross multiply
    457,015.53x = 630,687.96 × 263,316.39
  4. Step 4: Simplify right side
    457,015.53x = 166,070,476,843.66
  5. Step 5: Solve for x
    x = 166,070,476,843.66/457,015.53
  6. Step 6: Final answer
    x = 363,380.38

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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.