Home / 980,466.60-1,470,784.61-270,494.63

Finding the Fourth Proportional to 980,466.60, 1,470,784.61 and 270,494.63

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Solution

The fourth proportional to 980,466.60, 1,470,784.61 and 270,494.63 is: 405,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,466.60 : 1,470,784.61 = 270,494.63 : x
  2. Step 2: Convert to fraction form
    980,466.60/1,470,784.61 = 270,494.63/x
  3. Step 3: Cross multiply
    980,466.60x = 1,470,784.61 × 270,494.63
  4. Step 4: Simplify right side
    980,466.60x = 397,839,338,891.64
  5. Step 5: Solve for x
    x = 397,839,338,891.64/980,466.60
  6. Step 6: Final answer
    x = 405,765.32

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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.