Home / 726,861.18-1,002,896.85-611,015.07

Finding the Fourth Proportional to 726,861.18, 1,002,896.85 and 611,015.07

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Solution

The fourth proportional to 726,861.18, 1,002,896.85 and 611,015.07 is: 843,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,861.18 : 1,002,896.85 = 611,015.07 : x
  2. Step 2: Convert to fraction form
    726,861.18/1,002,896.85 = 611,015.07/x
  3. Step 3: Cross multiply
    726,861.18x = 1,002,896.85 × 611,015.07
  4. Step 4: Simplify right side
    726,861.18x = 612,785,089,005.53
  5. Step 5: Solve for x
    x = 612,785,089,005.53/726,861.18
  6. Step 6: Final answer
    x = 843,056.56

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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.