Home / 980,651.97-1,470,867.80-270,780.93

Finding the Fourth Proportional to 980,651.97, 1,470,867.80 and 270,780.93

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Solution

The fourth proportional to 980,651.97, 1,470,867.80 and 270,780.93 is: 406,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,651.97 : 1,470,867.80 = 270,780.93 : x
  2. Step 2: Convert to fraction form
    980,651.97/1,470,867.80 = 270,780.93/x
  3. Step 3: Cross multiply
    980,651.97x = 1,470,867.80 × 270,780.93
  4. Step 4: Simplify right side
    980,651.97x = 398,282,949,437.15
  5. Step 5: Solve for x
    x = 398,282,949,437.15/980,651.97
  6. Step 6: Final answer
    x = 406,140.98

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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.