Home / 719,107.96-1,078,381.61-269,583.55

Finding the Fourth Proportional to 719,107.96, 1,078,381.61 and 269,583.55

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Solution

The fourth proportional to 719,107.96, 1,078,381.61 and 269,583.55 is: 404,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,107.96 : 1,078,381.61 = 269,583.55 : x
  2. Step 2: Convert to fraction form
    719,107.96/1,078,381.61 = 269,583.55/x
  3. Step 3: Cross multiply
    719,107.96x = 1,078,381.61 × 269,583.55
  4. Step 4: Simplify right side
    719,107.96x = 290,713,942,678.52
  5. Step 5: Solve for x
    x = 290,713,942,678.52/719,107.96
  6. Step 6: Final answer
    x = 404,270.23

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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.