Home / 890,829.38-1,336,466.86-259,743.19

Finding the Fourth Proportional to 890,829.38, 1,336,466.86 and 259,743.19

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Solution

The fourth proportional to 890,829.38, 1,336,466.86 and 259,743.19 is: 389,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,829.38 : 1,336,466.86 = 259,743.19 : x
  2. Step 2: Convert to fraction form
    890,829.38/1,336,466.86 = 259,743.19/x
  3. Step 3: Cross multiply
    890,829.38x = 1,336,466.86 × 259,743.19
  4. Step 4: Simplify right side
    890,829.38x = 347,138,165,545.68
  5. Step 5: Solve for x
    x = 347,138,165,545.68/890,829.38
  6. Step 6: Final answer
    x = 389,679.74

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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.