Home / 980,469.85-1,470,789.51-270,497.89

Finding the Fourth Proportional to 980,469.85, 1,470,789.51 and 270,497.89

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Solution

The fourth proportional to 980,469.85, 1,470,789.51 and 270,497.89 is: 405,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,469.85 : 1,470,789.51 = 270,497.89 : x
  2. Step 2: Convert to fraction form
    980,469.85/1,470,789.51 = 270,497.89/x
  3. Step 3: Cross multiply
    980,469.85x = 1,470,789.51 × 270,497.89
  4. Step 4: Simplify right side
    980,469.85x = 397,845,459,089.13
  5. Step 5: Solve for x
    x = 397,845,459,089.13/980,469.85
  6. Step 6: Final answer
    x = 405,770.21

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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.