Home / 809,304.60-1,214,152.38-303,871.08

Finding the Fourth Proportional to 809,304.60, 1,214,152.38 and 303,871.08

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Solution

The fourth proportional to 809,304.60, 1,214,152.38 and 303,871.08 is: 455,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,304.60 : 1,214,152.38 = 303,871.08 : x
  2. Step 2: Convert to fraction form
    809,304.60/1,214,152.38 = 303,871.08/x
  3. Step 3: Cross multiply
    809,304.60x = 1,214,152.38 × 303,871.08
  4. Step 4: Simplify right side
    809,304.60x = 368,945,794,995.17
  5. Step 5: Solve for x
    x = 368,945,794,995.17/809,304.60
  6. Step 6: Final answer
    x = 455,880.02

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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.