Home / 857,125.48-1,182,843.94-494,624.56

Finding the Fourth Proportional to 857,125.48, 1,182,843.94 and 494,624.56

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Solution

The fourth proportional to 857,125.48, 1,182,843.94 and 494,624.56 is: 682,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,125.48 : 1,182,843.94 = 494,624.56 : x
  2. Step 2: Convert to fraction form
    857,125.48/1,182,843.94 = 494,624.56/x
  3. Step 3: Cross multiply
    857,125.48x = 1,182,843.94 × 494,624.56
  4. Step 4: Simplify right side
    857,125.48x = 585,063,663,371.17
  5. Step 5: Solve for x
    x = 585,063,663,371.17/857,125.48
  6. Step 6: Final answer
    x = 682,588.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.