Home / 829,423.90-1,243,394.94-323,867.26

Finding the Fourth Proportional to 829,423.90, 1,243,394.94 and 323,867.26

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Solution

The fourth proportional to 829,423.90, 1,243,394.94 and 323,867.26 is: 485,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,423.90 : 1,243,394.94 = 323,867.26 : x
  2. Step 2: Convert to fraction form
    829,423.90/1,243,394.94 = 323,867.26/x
  3. Step 3: Cross multiply
    829,423.90x = 1,243,394.94 × 323,867.26
  4. Step 4: Simplify right side
    829,423.90x = 402,694,912,315.66
  5. Step 5: Solve for x
    x = 402,694,912,315.66/829,423.90
  6. Step 6: Final answer
    x = 485,511.58

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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.