Home / 997,354.34-1,496,241.71-323,383.11

Finding the Fourth Proportional to 997,354.34, 1,496,241.71 and 323,383.11

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Solution

The fourth proportional to 997,354.34, 1,496,241.71 and 323,383.11 is: 485,142.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,354.34 : 1,496,241.71 = 323,383.11 : x
  2. Step 2: Convert to fraction form
    997,354.34/1,496,241.71 = 323,383.11/x
  3. Step 3: Cross multiply
    997,354.34x = 1,496,241.71 × 323,383.11
  4. Step 4: Simplify right side
    997,354.34x = 483,859,297,491.52
  5. Step 5: Solve for x
    x = 483,859,297,491.52/997,354.34
  6. Step 6: Final answer
    x = 485,142.82

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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.