Home / 980,651.22-1,470,866.67-270,780.18

Finding the Fourth Proportional to 980,651.22, 1,470,866.67 and 270,780.18

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Solution

The fourth proportional to 980,651.22, 1,470,866.67 and 270,780.18 is: 406,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,651.22 : 1,470,866.67 = 270,780.18 : x
  2. Step 2: Convert to fraction form
    980,651.22/1,470,866.67 = 270,780.18/x
  3. Step 3: Cross multiply
    980,651.22x = 1,470,866.67 × 270,780.18
  4. Step 4: Simplify right side
    980,651.22x = 398,281,541,658.60
  5. Step 5: Solve for x
    x = 398,281,541,658.60/980,651.22
  6. Step 6: Final answer
    x = 406,139.85

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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.