Home / 478,181.49-659,876.03-263,322.72

Finding the Fourth Proportional to 478,181.49, 659,876.03 and 263,322.72

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Solution

The fourth proportional to 478,181.49, 659,876.03 and 263,322.72 is: 363,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,181.49 : 659,876.03 = 263,322.72 : x
  2. Step 2: Convert to fraction form
    478,181.49/659,876.03 = 263,322.72/x
  3. Step 3: Cross multiply
    478,181.49x = 659,876.03 × 263,322.72
  4. Step 4: Simplify right side
    478,181.49x = 173,760,349,765.79
  5. Step 5: Solve for x
    x = 173,760,349,765.79/478,181.49
  6. Step 6: Final answer
    x = 363,377.41

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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.