Home / 803,257.60-1,204,195.20-409,273.60

Finding the Fourth Proportional to 803,257.60, 1,204,195.20 and 409,273.60

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Solution

The fourth proportional to 803,257.60, 1,204,195.20 and 409,273.60 is: 613,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,257.60 : 1,204,195.20 = 409,273.60 : x
  2. Step 2: Convert to fraction form
    803,257.60/1,204,195.20 = 409,273.60/x
  3. Step 3: Cross multiply
    803,257.60x = 1,204,195.20 × 409,273.60
  4. Step 4: Simplify right side
    803,257.60x = 492,845,304,606.72
  5. Step 5: Solve for x
    x = 492,845,304,606.72/803,257.60
  6. Step 6: Final answer
    x = 613,558.22

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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.