Home / 999,481.80-1,498,863.60-289,362.90

Finding the Fourth Proportional to 999,481.80, 1,498,863.60 and 289,362.90

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Solution

The fourth proportional to 999,481.80, 1,498,863.60 and 289,362.90 is: 433,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,481.80 : 1,498,863.60 = 289,362.90 : x
  2. Step 2: Convert to fraction form
    999,481.80/1,498,863.60 = 289,362.90/x
  3. Step 3: Cross multiply
    999,481.80x = 1,498,863.60 × 289,362.90
  4. Step 4: Simplify right side
    999,481.80x = 433,715,518,000.44
  5. Step 5: Solve for x
    x = 433,715,518,000.44/999,481.80
  6. Step 6: Final answer
    x = 433,940.39

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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.