Home / 702,965.10-1,054,447.65-253,755.30

Finding the Fourth Proportional to 702,965.10, 1,054,447.65 and 253,755.30

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Solution

The fourth proportional to 702,965.10, 1,054,447.65 and 253,755.30 is: 380,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,965.10 : 1,054,447.65 = 253,755.30 : x
  2. Step 2: Convert to fraction form
    702,965.10/1,054,447.65 = 253,755.30/x
  3. Step 3: Cross multiply
    702,965.10x = 1,054,447.65 × 253,755.30
  4. Step 4: Simplify right side
    702,965.10x = 267,571,679,760.05
  5. Step 5: Solve for x
    x = 267,571,679,760.05/702,965.10
  6. Step 6: Final answer
    x = 380,632.95

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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.