Home / 719,107.72-1,078,381.24-269,583.31

Finding the Fourth Proportional to 719,107.72, 1,078,381.24 and 269,583.31

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Solution

The fourth proportional to 719,107.72, 1,078,381.24 and 269,583.31 is: 404,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,107.72 : 1,078,381.24 = 269,583.31 : x
  2. Step 2: Convert to fraction form
    719,107.72/1,078,381.24 = 269,583.31/x
  3. Step 3: Cross multiply
    719,107.72x = 1,078,381.24 × 269,583.31
  4. Step 4: Simplify right side
    719,107.72x = 290,713,580,751.19
  5. Step 5: Solve for x
    x = 290,713,580,751.19/719,107.72
  6. Step 6: Final answer
    x = 404,269.87

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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.