Home / 843,901.30-1,265,715.51-311,672.98

Finding the Fourth Proportional to 843,901.30, 1,265,715.51 and 311,672.98

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Solution

The fourth proportional to 843,901.30, 1,265,715.51 and 311,672.98 is: 467,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,901.30 : 1,265,715.51 = 311,672.98 : x
  2. Step 2: Convert to fraction form
    843,901.30/1,265,715.51 = 311,672.98/x
  3. Step 3: Cross multiply
    843,901.30x = 1,265,715.51 × 311,672.98
  4. Step 4: Simplify right side
    843,901.30x = 394,489,324,833.92
  5. Step 5: Solve for x
    x = 394,489,324,833.92/843,901.30
  6. Step 6: Final answer
    x = 467,459.08

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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.