Home / 719,102.58-1,078,373.55-269,578.18

Finding the Fourth Proportional to 719,102.58, 1,078,373.55 and 269,578.18

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Solution

The fourth proportional to 719,102.58, 1,078,373.55 and 269,578.18 is: 404,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,102.58 : 1,078,373.55 = 269,578.18 : x
  2. Step 2: Convert to fraction form
    719,102.58/1,078,373.55 = 269,578.18/x
  3. Step 3: Cross multiply
    719,102.58x = 1,078,373.55 × 269,578.18
  4. Step 4: Simplify right side
    719,102.58x = 290,705,978,969.14
  5. Step 5: Solve for x
    x = 290,705,978,969.14/719,102.58
  6. Step 6: Final answer
    x = 404,262.18

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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.