Home / 851,704.43-1,175,422.75-489,198.24

Finding the Fourth Proportional to 851,704.43, 1,175,422.75 and 489,198.24

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Solution

The fourth proportional to 851,704.43, 1,175,422.75 and 489,198.24 is: 675,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,704.43 : 1,175,422.75 = 489,198.24 : x
  2. Step 2: Convert to fraction form
    851,704.43/1,175,422.75 = 489,198.24/x
  3. Step 3: Cross multiply
    851,704.43x = 1,175,422.75 × 489,198.24
  4. Step 4: Simplify right side
    851,704.43x = 575,014,739,332.96
  5. Step 5: Solve for x
    x = 575,014,739,332.96/851,704.43
  6. Step 6: Final answer
    x = 675,134.15

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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.