Home / 786,979.60-1,180,469.40-629,515.60

Finding the Fourth Proportional to 786,979.60, 1,180,469.40 and 629,515.60

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Solution

The fourth proportional to 786,979.60, 1,180,469.40 and 629,515.60 is: 944,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,979.60 : 1,180,469.40 = 629,515.60 : x
  2. Step 2: Convert to fraction form
    786,979.60/1,180,469.40 = 629,515.60/x
  3. Step 3: Cross multiply
    786,979.60x = 1,180,469.40 × 629,515.60
  4. Step 4: Simplify right side
    786,979.60x = 743,123,902,622.64
  5. Step 5: Solve for x
    x = 743,123,902,622.64/786,979.60
  6. Step 6: Final answer
    x = 944,273.40

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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.