Home / 427,279.46-589,630.19-233,680.55

Finding the Fourth Proportional to 427,279.46, 589,630.19 and 233,680.55

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Solution

The fourth proportional to 427,279.46, 589,630.19 and 233,680.55 is: 322,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,279.46 : 589,630.19 = 233,680.55 : x
  2. Step 2: Convert to fraction form
    427,279.46/589,630.19 = 233,680.55/x
  3. Step 3: Cross multiply
    427,279.46x = 589,630.19 × 233,680.55
  4. Step 4: Simplify right side
    427,279.46x = 137,785,102,979.25
  5. Step 5: Solve for x
    x = 137,785,102,979.25/427,279.46
  6. Step 6: Final answer
    x = 322,470.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.