Home / 892,067.31-1,338,363.45-359,314.11

Finding the Fourth Proportional to 892,067.31, 1,338,363.45 and 359,314.11

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Solution

The fourth proportional to 892,067.31, 1,338,363.45 and 359,314.11 is: 539,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,067.31 : 1,338,363.45 = 359,314.11 : x
  2. Step 2: Convert to fraction form
    892,067.31/1,338,363.45 = 359,314.11/x
  3. Step 3: Cross multiply
    892,067.31x = 1,338,363.45 × 359,314.11
  4. Step 4: Simplify right side
    892,067.31x = 480,892,871,893.28
  5. Step 5: Solve for x
    x = 480,892,871,893.28/892,067.31
  6. Step 6: Final answer
    x = 539,076.89

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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.