Home / 808,608.30-1,212,912.45-725,939.70

Finding the Fourth Proportional to 808,608.30, 1,212,912.45 and 725,939.70

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Solution

The fourth proportional to 808,608.30, 1,212,912.45 and 725,939.70 is: 1,088,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,608.30 : 1,212,912.45 = 725,939.70 : x
  2. Step 2: Convert to fraction form
    808,608.30/1,212,912.45 = 725,939.70/x
  3. Step 3: Cross multiply
    808,608.30x = 1,212,912.45 × 725,939.70
  4. Step 4: Simplify right side
    808,608.30x = 880,501,300,079.27
  5. Step 5: Solve for x
    x = 880,501,300,079.27/808,608.30
  6. Step 6: Final answer
    x = 1,088,909.55

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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.