Home / 952,069.83-1,428,138.77-320,989.11

Finding the Fourth Proportional to 952,069.83, 1,428,138.77 and 320,989.11

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Solution

The fourth proportional to 952,069.83, 1,428,138.77 and 320,989.11 is: 481,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,069.83 : 1,428,138.77 = 320,989.11 : x
  2. Step 2: Convert to fraction form
    952,069.83/1,428,138.77 = 320,989.11/x
  3. Step 3: Cross multiply
    952,069.83x = 1,428,138.77 × 320,989.11
  4. Step 4: Simplify right side
    952,069.83x = 458,416,991,133.85
  5. Step 5: Solve for x
    x = 458,416,991,133.85/952,069.83
  6. Step 6: Final answer
    x = 481,495.13

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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.