Home / 997,676.48-1,496,735.85-287,649.11

Finding the Fourth Proportional to 997,676.48, 1,496,735.85 and 287,649.11

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Solution

The fourth proportional to 997,676.48, 1,496,735.85 and 287,649.11 is: 431,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,676.48 : 1,496,735.85 = 287,649.11 : x
  2. Step 2: Convert to fraction form
    997,676.48/1,496,735.85 = 287,649.11/x
  3. Step 3: Cross multiply
    997,676.48x = 1,496,735.85 × 287,649.11
  4. Step 4: Simplify right side
    997,676.48x = 430,534,727,673.91
  5. Step 5: Solve for x
    x = 430,534,727,673.91/997,676.48
  6. Step 6: Final answer
    x = 431,537.42

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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.