Home / 719,379.66-1,078,325.90-269,783.48

Finding the Fourth Proportional to 719,379.66, 1,078,325.90 and 269,783.48

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Solution

The fourth proportional to 719,379.66, 1,078,325.90 and 269,783.48 is: 404,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,379.66 : 1,078,325.90 = 269,783.48 : x
  2. Step 2: Convert to fraction form
    719,379.66/1,078,325.90 = 269,783.48/x
  3. Step 3: Cross multiply
    719,379.66x = 1,078,325.90 × 269,783.48
  4. Step 4: Simplify right side
    719,379.66x = 290,914,513,876.13
  5. Step 5: Solve for x
    x = 290,914,513,876.13/719,379.66
  6. Step 6: Final answer
    x = 404,396.36

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1.5x scale

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.