Home / 892,713.66-1,338,655.87-324,022.58

Finding the Fourth Proportional to 892,713.66, 1,338,655.87 and 324,022.58

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Solution

The fourth proportional to 892,713.66, 1,338,655.87 and 324,022.58 is: 485,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,713.66 : 1,338,655.87 = 324,022.58 : x
  2. Step 2: Convert to fraction form
    892,713.66/1,338,655.87 = 324,022.58/x
  3. Step 3: Cross multiply
    892,713.66x = 1,338,655.87 × 324,022.58
  4. Step 4: Simplify right side
    892,713.66x = 433,754,725,638.63
  5. Step 5: Solve for x
    x = 433,754,725,638.63/892,713.66
  6. Step 6: Final answer
    x = 485,883.38

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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.