Home / 807,738.40-1,211,607.60-729,006.40

Finding the Fourth Proportional to 807,738.40, 1,211,607.60 and 729,006.40

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Solution

The fourth proportional to 807,738.40, 1,211,607.60 and 729,006.40 is: 1,093,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,738.40 : 1,211,607.60 = 729,006.40 : x
  2. Step 2: Convert to fraction form
    807,738.40/1,211,607.60 = 729,006.40/x
  3. Step 3: Cross multiply
    807,738.40x = 1,211,607.60 × 729,006.40
  4. Step 4: Simplify right side
    807,738.40x = 883,269,694,688.64
  5. Step 5: Solve for x
    x = 883,269,694,688.64/807,738.40
  6. Step 6: Final answer
    x = 1,093,509.60

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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.