Home / 729,176.10-1,093,436.10-279,747.60

Finding the Fourth Proportional to 729,176.10, 1,093,436.10 and 279,747.60

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Solution

The fourth proportional to 729,176.10, 1,093,436.10 and 279,747.60 is: 419,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,176.10 : 1,093,436.10 = 279,747.60 : x
  2. Step 2: Convert to fraction form
    729,176.10/1,093,436.10 = 279,747.60/x
  3. Step 3: Cross multiply
    729,176.10x = 1,093,436.10 × 279,747.60
  4. Step 4: Simplify right side
    729,176.10x = 305,886,124,728.36
  5. Step 5: Solve for x
    x = 305,886,124,728.36/729,176.10
  6. Step 6: Final answer
    x = 419,495.54

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1.5x scale

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.