Home / 702,020.43-1,053,118.13-228,578.67

Finding the Fourth Proportional to 702,020.43, 1,053,118.13 and 228,578.67

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Solution

The fourth proportional to 702,020.43, 1,053,118.13 and 228,578.67 is: 342,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,020.43 : 1,053,118.13 = 228,578.67 : x
  2. Step 2: Convert to fraction form
    702,020.43/1,053,118.13 = 228,578.67/x
  3. Step 3: Cross multiply
    702,020.43x = 1,053,118.13 × 228,578.67
  4. Step 4: Simplify right side
    702,020.43x = 240,720,340,365.39
  5. Step 5: Solve for x
    x = 240,720,340,365.39/702,020.43
  6. Step 6: Final answer
    x = 342,896.49

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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.