Home / 801,861.61-1,106,568.93-479,571.66

Finding the Fourth Proportional to 801,861.61, 1,106,568.93 and 479,571.66

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Solution

The fourth proportional to 801,861.61, 1,106,568.93 and 479,571.66 is: 661,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,861.61 : 1,106,568.93 = 479,571.66 : x
  2. Step 2: Convert to fraction form
    801,861.61/1,106,568.93 = 479,571.66/x
  3. Step 3: Cross multiply
    801,861.61x = 1,106,568.93 × 479,571.66
  4. Step 4: Simplify right side
    801,861.61x = 530,679,098,664.52
  5. Step 5: Solve for x
    x = 530,679,098,664.52/801,861.61
  6. Step 6: Final answer
    x = 661,808.84

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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.