Home / 645,538.56-967,640.94-246,072.12

Finding the Fourth Proportional to 645,538.56, 967,640.94 and 246,072.12

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Solution

The fourth proportional to 645,538.56, 967,640.94 and 246,072.12 is: 368,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,538.56 : 967,640.94 = 246,072.12 : x
  2. Step 2: Convert to fraction form
    645,538.56/967,640.94 = 246,072.12/x
  3. Step 3: Cross multiply
    645,538.56x = 967,640.94 × 246,072.12
  4. Step 4: Simplify right side
    645,538.56x = 238,109,457,504.59
  5. Step 5: Solve for x
    x = 238,109,457,504.59/645,538.56
  6. Step 6: Final answer
    x = 368,853.97

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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.