Home / 479,053.27-718,879.07-319,241.35

Finding the Fourth Proportional to 479,053.27, 718,879.07 and 319,241.35

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Solution

The fourth proportional to 479,053.27, 718,879.07 and 319,241.35 is: 479,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,053.27 : 718,879.07 = 319,241.35 : x
  2. Step 2: Convert to fraction form
    479,053.27/718,879.07 = 319,241.35/x
  3. Step 3: Cross multiply
    479,053.27x = 718,879.07 × 319,241.35
  4. Step 4: Simplify right side
    479,053.27x = 229,495,924,793.54
  5. Step 5: Solve for x
    x = 229,495,924,793.54/479,053.27
  6. Step 6: Final answer
    x = 479,061.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.