Home / 719,157.86-1,078,456.04-269,633.38

Finding the Fourth Proportional to 719,157.86, 1,078,456.04 and 269,633.38

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Solution

The fourth proportional to 719,157.86, 1,078,456.04 and 269,633.38 is: 404,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,157.86 : 1,078,456.04 = 269,633.38 : x
  2. Step 2: Convert to fraction form
    719,157.86/1,078,456.04 = 269,633.38/x
  3. Step 3: Cross multiply
    719,157.86x = 1,078,456.04 × 269,633.38
  4. Step 4: Simplify right side
    719,157.86x = 290,787,747,246.62
  5. Step 5: Solve for x
    x = 290,787,747,246.62/719,157.86
  6. Step 6: Final answer
    x = 404,344.81

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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.