Home / 719,117.77-1,078,396.24-269,593.60

Finding the Fourth Proportional to 719,117.77, 1,078,396.24 and 269,593.60

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Solution

The fourth proportional to 719,117.77, 1,078,396.24 and 269,593.60 is: 404,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,117.77 : 1,078,396.24 = 269,593.60 : x
  2. Step 2: Convert to fraction form
    719,117.77/1,078,396.24 = 269,593.60/x
  3. Step 3: Cross multiply
    719,117.77x = 1,078,396.24 × 269,593.60
  4. Step 4: Simplify right side
    719,117.77x = 290,728,724,568.06
  5. Step 5: Solve for x
    x = 290,728,724,568.06/719,117.77
  6. Step 6: Final answer
    x = 404,285.27

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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.