Home / 478,003.23-659,663.28-263,163.30

Finding the Fourth Proportional to 478,003.23, 659,663.28 and 263,163.30

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Solution

The fourth proportional to 478,003.23, 659,663.28 and 263,163.30 is: 363,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,003.23 : 659,663.28 = 263,163.30 : x
  2. Step 2: Convert to fraction form
    478,003.23/659,663.28 = 263,163.30/x
  3. Step 3: Cross multiply
    478,003.23x = 659,663.28 × 263,163.30
  4. Step 4: Simplify right side
    478,003.23x = 173,599,165,653.62
  5. Step 5: Solve for x
    x = 173,599,165,653.62/478,003.23
  6. Step 6: Final answer
    x = 363,175.72

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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.