Home / 819,093.69-1,228,677.41-313,523.54

Finding the Fourth Proportional to 819,093.69, 1,228,677.41 and 313,523.54

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Solution

The fourth proportional to 819,093.69, 1,228,677.41 and 313,523.54 is: 470,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,093.69 : 1,228,677.41 = 313,523.54 : x
  2. Step 2: Convert to fraction form
    819,093.69/1,228,677.41 = 313,523.54/x
  3. Step 3: Cross multiply
    819,093.69x = 1,228,677.41 × 313,523.54
  4. Step 4: Simplify right side
    819,093.69x = 385,219,283,390.23
  5. Step 5: Solve for x
    x = 385,219,283,390.23/819,093.69
  6. Step 6: Final answer
    x = 470,299.42

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1.5x scale

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.