Home / 676,742.58-1,015,024.77-321,982.02

Finding the Fourth Proportional to 676,742.58, 1,015,024.77 and 321,982.02

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Solution

The fourth proportional to 676,742.58, 1,015,024.77 and 321,982.02 is: 482,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,742.58 : 1,015,024.77 = 321,982.02 : x
  2. Step 2: Convert to fraction form
    676,742.58/1,015,024.77 = 321,982.02/x
  3. Step 3: Cross multiply
    676,742.58x = 1,015,024.77 × 321,982.02
  4. Step 4: Simplify right side
    676,742.58x = 326,819,725,794.64
  5. Step 5: Solve for x
    x = 326,819,725,794.64/676,742.58
  6. Step 6: Final answer
    x = 482,930.64

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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.