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Finding the Fourth Proportional to 332,417.26, 461,832.74 and 328,431.44

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Solution

The fourth proportional to 332,417.26, 461,832.74 and 328,431.44 is: 456,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,417.26 : 461,832.74 = 328,431.44 : x
  2. Step 2: Convert to fraction form
    332,417.26/461,832.74 = 328,431.44/x
  3. Step 3: Cross multiply
    332,417.26x = 461,832.74 × 328,431.44
  4. Step 4: Simplify right side
    332,417.26x = 151,680,391,837.35
  5. Step 5: Solve for x
    x = 151,680,391,837.35/332,417.26
  6. Step 6: Final answer
    x = 456,295.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.