Home / 865,674.14-1,298,576.43-258,414.48

Finding the Fourth Proportional to 865,674.14, 1,298,576.43 and 258,414.48

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Solution

The fourth proportional to 865,674.14, 1,298,576.43 and 258,414.48 is: 387,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,674.14 : 1,298,576.43 = 258,414.48 : x
  2. Step 2: Convert to fraction form
    865,674.14/1,298,576.43 = 258,414.48/x
  3. Step 3: Cross multiply
    865,674.14x = 1,298,576.43 × 258,414.48
  4. Step 4: Simplify right side
    865,674.14x = 335,570,952,898.71
  5. Step 5: Solve for x
    x = 335,570,952,898.71/865,674.14
  6. Step 6: Final answer
    x = 387,641.19

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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.