Home / 478,047.33-659,680.26-263,145.42

Finding the Fourth Proportional to 478,047.33, 659,680.26 and 263,145.42

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Solution

The fourth proportional to 478,047.33, 659,680.26 and 263,145.42 is: 363,126.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,047.33 : 659,680.26 = 263,145.42 : x
  2. Step 2: Convert to fraction form
    478,047.33/659,680.26 = 263,145.42/x
  3. Step 3: Cross multiply
    478,047.33x = 659,680.26 × 263,145.42
  4. Step 4: Simplify right side
    478,047.33x = 173,591,839,083.41
  5. Step 5: Solve for x
    x = 173,591,839,083.41/478,047.33
  6. Step 6: Final answer
    x = 363,126.89

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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.