Home / 681,450.21-1,021,524.57-254,870.37

Finding the Fourth Proportional to 681,450.21, 1,021,524.57 and 254,870.37

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Solution

The fourth proportional to 681,450.21, 1,021,524.57 and 254,870.37 is: 382,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,450.21 : 1,021,524.57 = 254,870.37 : x
  2. Step 2: Convert to fraction form
    681,450.21/1,021,524.57 = 254,870.37/x
  3. Step 3: Cross multiply
    681,450.21x = 1,021,524.57 × 254,870.37
  4. Step 4: Simplify right side
    681,450.21x = 260,356,345,119.99
  5. Step 5: Solve for x
    x = 260,356,345,119.99/681,450.21
  6. Step 6: Final answer
    x = 382,062.17

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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.