Home / 579,694.62-799,977.84-321,610.72

Finding the Fourth Proportional to 579,694.62, 799,977.84 and 321,610.72

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Solution

The fourth proportional to 579,694.62, 799,977.84 and 321,610.72 is: 443,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,694.62 : 799,977.84 = 321,610.72 : x
  2. Step 2: Convert to fraction form
    579,694.62/799,977.84 = 321,610.72/x
  3. Step 3: Cross multiply
    579,694.62x = 799,977.84 × 321,610.72
  4. Step 4: Simplify right side
    579,694.62x = 257,281,449,106.45
  5. Step 5: Solve for x
    x = 257,281,449,106.45/579,694.62
  6. Step 6: Final answer
    x = 443,822.39

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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.