Home / 719,107.76-1,078,381.28-269,583.57

Finding the Fourth Proportional to 719,107.76, 1,078,381.28 and 269,583.57

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Solution

The fourth proportional to 719,107.76, 1,078,381.28 and 269,583.57 is: 404,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,107.76 : 1,078,381.28 = 269,583.57 : x
  2. Step 2: Convert to fraction form
    719,107.76/1,078,381.28 = 269,583.57/x
  3. Step 3: Cross multiply
    719,107.76x = 1,078,381.28 × 269,583.57
  4. Step 4: Simplify right side
    719,107.76x = 290,713,873,935.65
  5. Step 5: Solve for x
    x = 290,713,873,935.65/719,107.76
  6. Step 6: Final answer
    x = 404,270.25

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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.