Home / 785,986.76-1,179,209.78-253,496.00

Finding the Fourth Proportional to 785,986.76, 1,179,209.78 and 253,496.00

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Solution

The fourth proportional to 785,986.76, 1,179,209.78 and 253,496.00 is: 380,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,986.76 : 1,179,209.78 = 253,496.00 : x
  2. Step 2: Convert to fraction form
    785,986.76/1,179,209.78 = 253,496.00/x
  3. Step 3: Cross multiply
    785,986.76x = 1,179,209.78 × 253,496.00
  4. Step 4: Simplify right side
    785,986.76x = 298,924,955,227.35
  5. Step 5: Solve for x
    x = 298,924,955,227.35/785,986.76
  6. Step 6: Final answer
    x = 380,318.06

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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.