Home / 702,976.30-1,054,246.19-253,638.62

Finding the Fourth Proportional to 702,976.30, 1,054,246.19 and 253,638.62

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Solution

The fourth proportional to 702,976.30, 1,054,246.19 and 253,638.62 is: 380,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,976.30 : 1,054,246.19 = 253,638.62 : x
  2. Step 2: Convert to fraction form
    702,976.30/1,054,246.19 = 253,638.62/x
  3. Step 3: Cross multiply
    702,976.30x = 1,054,246.19 × 253,638.62
  4. Step 4: Simplify right side
    702,976.30x = 267,397,548,771.86
  5. Step 5: Solve for x
    x = 267,397,548,771.86/702,976.30
  6. Step 6: Final answer
    x = 380,379.18

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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.