Home / 829,217.88-1,243,822.59-323,830.17

Finding the Fourth Proportional to 829,217.88, 1,243,822.59 and 323,830.17

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Solution

The fourth proportional to 829,217.88, 1,243,822.59 and 323,830.17 is: 485,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,217.88 : 1,243,822.59 = 323,830.17 : x
  2. Step 2: Convert to fraction form
    829,217.88/1,243,822.59 = 323,830.17/x
  3. Step 3: Cross multiply
    829,217.88x = 1,243,822.59 × 323,830.17
  4. Step 4: Simplify right side
    829,217.88x = 402,787,280,769.54
  5. Step 5: Solve for x
    x = 402,787,280,769.54/829,217.88
  6. Step 6: Final answer
    x = 485,743.60

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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.