Home / 901,912.50-1,244,589.33-499,472.82

Finding the Fourth Proportional to 901,912.50, 1,244,589.33 and 499,472.82

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Solution

The fourth proportional to 901,912.50, 1,244,589.33 and 499,472.82 is: 689,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,912.50 : 1,244,589.33 = 499,472.82 : x
  2. Step 2: Convert to fraction form
    901,912.50/1,244,589.33 = 499,472.82/x
  3. Step 3: Cross multiply
    901,912.50x = 1,244,589.33 × 499,472.82
  4. Step 4: Simplify right side
    901,912.50x = 621,638,542,397.01
  5. Step 5: Solve for x
    x = 621,638,542,397.01/901,912.50
  6. Step 6: Final answer
    x = 689,244.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.