Home / 478,246.44-659,997-263,402.86

Finding the Fourth Proportional to 478,246.44, 659,997 and 263,402.86

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Solution

The fourth proportional to 478,246.44, 659,997 and 263,402.86 is: 363,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,246.44 : 659,997 = 263,402.86 : x
  2. Step 2: Convert to fraction form
    478,246.44/659,997 = 263,402.86/x
  3. Step 3: Cross multiply
    478,246.44x = 659,997 × 263,402.86
  4. Step 4: Simplify right side
    478,246.44x = 173,845,097,391.42
  5. Step 5: Solve for x
    x = 173,845,097,391.42/478,246.44
  6. Step 6: Final answer
    x = 363,505.26

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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.