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Finding the Fourth Proportional to 430,837, 594,568.74 and 269,640.52

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Solution

The fourth proportional to 430,837, 594,568.74 and 269,640.52 is: 372,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,837 : 594,568.74 = 269,640.52 : x
  2. Step 2: Convert to fraction form
    430,837/594,568.74 = 269,640.52/x
  3. Step 3: Cross multiply
    430,837x = 594,568.74 × 269,640.52
  4. Step 4: Simplify right side
    430,837x = 160,319,824,229.35
  5. Step 5: Solve for x
    x = 160,319,824,229.35/430,837
  6. Step 6: Final answer
    x = 372,112.48

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1.5x scale

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.