Home / 979,666.33-1,469,671.71-447,241.18

Finding the Fourth Proportional to 979,666.33, 1,469,671.71 and 447,241.18

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Solution

The fourth proportional to 979,666.33, 1,469,671.71 and 447,241.18 is: 670,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,666.33 : 1,469,671.71 = 447,241.18 : x
  2. Step 2: Convert to fraction form
    979,666.33/1,469,671.71 = 447,241.18/x
  3. Step 3: Cross multiply
    979,666.33x = 1,469,671.71 × 447,241.18
  4. Step 4: Simplify right side
    979,666.33x = 657,297,709,793.02
  5. Step 5: Solve for x
    x = 657,297,709,793.02/979,666.33
  6. Step 6: Final answer
    x = 670,940.39

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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.