Home / 929,003.13-1,393,170.54-321,626.52

Finding the Fourth Proportional to 929,003.13, 1,393,170.54 and 321,626.52

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Solution

The fourth proportional to 929,003.13, 1,393,170.54 and 321,626.52 is: 482,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,003.13 : 1,393,170.54 = 321,626.52 : x
  2. Step 2: Convert to fraction form
    929,003.13/1,393,170.54 = 321,626.52/x
  3. Step 3: Cross multiply
    929,003.13x = 1,393,170.54 × 321,626.52
  4. Step 4: Simplify right side
    929,003.13x = 448,080,592,546.72
  5. Step 5: Solve for x
    x = 448,080,592,546.72/929,003.13
  6. Step 6: Final answer
    x = 482,324.09

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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.