Home / 976,137.78-1,463,863.62-292,820.88

Finding the Fourth Proportional to 976,137.78, 1,463,863.62 and 292,820.88

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Solution

The fourth proportional to 976,137.78, 1,463,863.62 and 292,820.88 is: 439,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,137.78 : 1,463,863.62 = 292,820.88 : x
  2. Step 2: Convert to fraction form
    976,137.78/1,463,863.62 = 292,820.88/x
  3. Step 3: Cross multiply
    976,137.78x = 1,463,863.62 × 292,820.88
  4. Step 4: Simplify right side
    976,137.78x = 428,649,833,408.39
  5. Step 5: Solve for x
    x = 428,649,833,408.39/976,137.78
  6. Step 6: Final answer
    x = 439,128.41

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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.