Home / 785,986.88-1,179,209.96-253,496.12

Finding the Fourth Proportional to 785,986.88, 1,179,209.96 and 253,496.12

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Solution

The fourth proportional to 785,986.88, 1,179,209.96 and 253,496.12 is: 380,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,986.88 : 1,179,209.96 = 253,496.12 : x
  2. Step 2: Convert to fraction form
    785,986.88/1,179,209.96 = 253,496.12/x
  3. Step 3: Cross multiply
    785,986.88x = 1,179,209.96 × 253,496.12
  4. Step 4: Simplify right side
    785,986.88x = 298,925,149,525.36
  5. Step 5: Solve for x
    x = 298,925,149,525.36/785,986.88
  6. Step 6: Final answer
    x = 380,318.24

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Double scale
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Similar ratio
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1.5x scale

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.