Home / 980,231.22-1,470,437.65-381,237.44

Finding the Fourth Proportional to 980,231.22, 1,470,437.65 and 381,237.44

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Solution

The fourth proportional to 980,231.22, 1,470,437.65 and 381,237.44 is: 571,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,231.22 : 1,470,437.65 = 381,237.44 : x
  2. Step 2: Convert to fraction form
    980,231.22/1,470,437.65 = 381,237.44/x
  3. Step 3: Cross multiply
    980,231.22x = 1,470,437.65 × 381,237.44
  4. Step 4: Simplify right side
    980,231.22x = 560,585,878,489.98
  5. Step 5: Solve for x
    x = 560,585,878,489.98/980,231.22
  6. Step 6: Final answer
    x = 571,891.48

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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.