Home / 809,947.60-1,214,921.40-336,475.60

Finding the Fourth Proportional to 809,947.60, 1,214,921.40 and 336,475.60

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Solution

The fourth proportional to 809,947.60, 1,214,921.40 and 336,475.60 is: 504,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,947.60 : 1,214,921.40 = 336,475.60 : x
  2. Step 2: Convert to fraction form
    809,947.60/1,214,921.40 = 336,475.60/x
  3. Step 3: Cross multiply
    809,947.60x = 1,214,921.40 × 336,475.60
  4. Step 4: Simplify right side
    809,947.60x = 408,791,407,017.84
  5. Step 5: Solve for x
    x = 408,791,407,017.84/809,947.60
  6. Step 6: Final answer
    x = 504,713.40

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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.