Home / 815,481.92-1,125,396.71-452,933.34

Finding the Fourth Proportional to 815,481.92, 1,125,396.71 and 452,933.34

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Solution

The fourth proportional to 815,481.92, 1,125,396.71 and 452,933.34 is: 625,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,481.92 : 1,125,396.71 = 452,933.34 : x
  2. Step 2: Convert to fraction form
    815,481.92/1,125,396.71 = 452,933.34/x
  3. Step 3: Cross multiply
    815,481.92x = 1,125,396.71 × 452,933.34
  4. Step 4: Simplify right side
    815,481.92x = 509,729,690,685.31
  5. Step 5: Solve for x
    x = 509,729,690,685.31/815,481.92
  6. Step 6: Final answer
    x = 625,065.59

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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.