Home / 809,693.40-1,214,540.10-248,727.90

Finding the Fourth Proportional to 809,693.40, 1,214,540.10 and 248,727.90

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Solution

The fourth proportional to 809,693.40, 1,214,540.10 and 248,727.90 is: 373,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,693.40 : 1,214,540.10 = 248,727.90 : x
  2. Step 2: Convert to fraction form
    809,693.40/1,214,540.10 = 248,727.90/x
  3. Step 3: Cross multiply
    809,693.40x = 1,214,540.10 × 248,727.90
  4. Step 4: Simplify right side
    809,693.40x = 302,090,008,538.79
  5. Step 5: Solve for x
    x = 302,090,008,538.79/809,693.40
  6. Step 6: Final answer
    x = 373,091.85

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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.