Home / 806,472.20-1,112,922.82-443,888.26

Finding the Fourth Proportional to 806,472.20, 1,112,922.82 and 443,888.26

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Solution

The fourth proportional to 806,472.20, 1,112,922.82 and 443,888.26 is: 612,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,472.20 : 1,112,922.82 = 443,888.26 : x
  2. Step 2: Convert to fraction form
    806,472.20/1,112,922.82 = 443,888.26/x
  3. Step 3: Cross multiply
    806,472.20x = 1,112,922.82 × 443,888.26
  4. Step 4: Simplify right side
    806,472.20x = 494,013,374,084.09
  5. Step 5: Solve for x
    x = 494,013,374,084.09/806,472.20
  6. Step 6: Final answer
    x = 612,560.95

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1.5x scale

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.