Home / 997,912.40-1,496,722.80-287,866.40

Finding the Fourth Proportional to 997,912.40, 1,496,722.80 and 287,866.40

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Solution

The fourth proportional to 997,912.40, 1,496,722.80 and 287,866.40 is: 431,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,912.40 : 1,496,722.80 = 287,866.40 : x
  2. Step 2: Convert to fraction form
    997,912.40/1,496,722.80 = 287,866.40/x
  3. Step 3: Cross multiply
    997,912.40x = 1,496,722.80 × 287,866.40
  4. Step 4: Simplify right side
    997,912.40x = 430,856,204,233.92
  5. Step 5: Solve for x
    x = 430,856,204,233.92/997,912.40
  6. Step 6: Final answer
    x = 431,757.54

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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.