Home / 854,117.20-1,281,175.80-539,966.80

Finding the Fourth Proportional to 854,117.20, 1,281,175.80 and 539,966.80

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Solution

The fourth proportional to 854,117.20, 1,281,175.80 and 539,966.80 is: 809,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,117.20 : 1,281,175.80 = 539,966.80 : x
  2. Step 2: Convert to fraction form
    854,117.20/1,281,175.80 = 539,966.80/x
  3. Step 3: Cross multiply
    854,117.20x = 1,281,175.80 × 539,966.80
  4. Step 4: Simplify right side
    854,117.20x = 691,792,396,963.44
  5. Step 5: Solve for x
    x = 691,792,396,963.44/854,117.20
  6. Step 6: Final answer
    x = 809,950.20

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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.