Home / 739,391.57-1,109,087.46-178,426.07

Finding the Fourth Proportional to 739,391.57, 1,109,087.46 and 178,426.07

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Solution

The fourth proportional to 739,391.57, 1,109,087.46 and 178,426.07 is: 267,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,391.57 : 1,109,087.46 = 178,426.07 : x
  2. Step 2: Convert to fraction form
    739,391.57/1,109,087.46 = 178,426.07/x
  3. Step 3: Cross multiply
    739,391.57x = 1,109,087.46 × 178,426.07
  4. Step 4: Simplify right side
    739,391.57x = 197,890,116,774.08
  5. Step 5: Solve for x
    x = 197,890,116,774.08/739,391.57
  6. Step 6: Final answer
    x = 267,639.13

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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.