Home / 719,131.38-1,078,416.66-269,607.24

Finding the Fourth Proportional to 719,131.38, 1,078,416.66 and 269,607.24

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Solution

The fourth proportional to 719,131.38, 1,078,416.66 and 269,607.24 is: 404,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,131.38 : 1,078,416.66 = 269,607.24 : x
  2. Step 2: Convert to fraction form
    719,131.38/1,078,416.66 = 269,607.24/x
  3. Step 3: Cross multiply
    719,131.38x = 1,078,416.66 × 269,607.24
  4. Step 4: Simplify right side
    719,131.38x = 290,748,939,272.62
  5. Step 5: Solve for x
    x = 290,748,939,272.62/719,131.38
  6. Step 6: Final answer
    x = 404,305.73

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Double scale
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Similar ratio
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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.