Home / 815,947.46-1,223,919.14-216,908.34

Finding the Fourth Proportional to 815,947.46, 1,223,919.14 and 216,908.34

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Solution

The fourth proportional to 815,947.46, 1,223,919.14 and 216,908.34 is: 325,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,947.46 : 1,223,919.14 = 216,908.34 : x
  2. Step 2: Convert to fraction form
    815,947.46/1,223,919.14 = 216,908.34/x
  3. Step 3: Cross multiply
    815,947.46x = 1,223,919.14 × 216,908.34
  4. Step 4: Simplify right side
    815,947.46x = 265,478,268,951.63
  5. Step 5: Solve for x
    x = 265,478,268,951.63/815,947.46
  6. Step 6: Final answer
    x = 325,361.97

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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.