Home / 719,179.42-1,078,451.39-269,584.93

Finding the Fourth Proportional to 719,179.42, 1,078,451.39 and 269,584.93

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Solution

The fourth proportional to 719,179.42, 1,078,451.39 and 269,584.93 is: 404,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,179.42 : 1,078,451.39 = 269,584.93 : x
  2. Step 2: Convert to fraction form
    719,179.42/1,078,451.39 = 269,584.93/x
  3. Step 3: Cross multiply
    719,179.42x = 1,078,451.39 × 269,584.93
  4. Step 4: Simplify right side
    719,179.42x = 290,734,241,133.63
  5. Step 5: Solve for x
    x = 290,734,241,133.63/719,179.42
  6. Step 6: Final answer
    x = 404,258.29

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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.