Home / 456,097.28-684,257.22-321,423.93

Finding the Fourth Proportional to 456,097.28, 684,257.22 and 321,423.93

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Solution

The fourth proportional to 456,097.28, 684,257.22 and 321,423.93 is: 482,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,097.28 : 684,257.22 = 321,423.93 : x
  2. Step 2: Convert to fraction form
    456,097.28/684,257.22 = 321,423.93/x
  3. Step 3: Cross multiply
    456,097.28x = 684,257.22 × 321,423.93
  4. Step 4: Simplify right side
    456,097.28x = 219,936,644,783.28
  5. Step 5: Solve for x
    x = 219,936,644,783.28/456,097.28
  6. Step 6: Final answer
    x = 482,214.34

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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.