Home / 876,206.09-1,313,687.91-389,622.26

Finding the Fourth Proportional to 876,206.09, 1,313,687.91 and 389,622.26

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Solution

The fourth proportional to 876,206.09, 1,313,687.91 and 389,622.26 is: 584,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,206.09 : 1,313,687.91 = 389,622.26 : x
  2. Step 2: Convert to fraction form
    876,206.09/1,313,687.91 = 389,622.26/x
  3. Step 3: Cross multiply
    876,206.09x = 1,313,687.91 × 389,622.26
  4. Step 4: Simplify right side
    876,206.09x = 511,842,052,428.88
  5. Step 5: Solve for x
    x = 511,842,052,428.88/876,206.09
  6. Step 6: Final answer
    x = 584,157.15

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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.