Home / 719,190.48-1,078,505.04-269,666.12

Finding the Fourth Proportional to 719,190.48, 1,078,505.04 and 269,666.12

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Solution

The fourth proportional to 719,190.48, 1,078,505.04 and 269,666.12 is: 404,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,190.48 : 1,078,505.04 = 269,666.12 : x
  2. Step 2: Convert to fraction form
    719,190.48/1,078,505.04 = 269,666.12/x
  3. Step 3: Cross multiply
    719,190.48x = 1,078,505.04 × 269,666.12
  4. Step 4: Simplify right side
    719,190.48x = 290,836,269,537.25
  5. Step 5: Solve for x
    x = 290,836,269,537.25/719,190.48
  6. Step 6: Final answer
    x = 404,393.94

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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.