Home / 801,535.20-1,201,640.53-374,861.06

Finding the Fourth Proportional to 801,535.20, 1,201,640.53 and 374,861.06

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Solution

The fourth proportional to 801,535.20, 1,201,640.53 and 374,861.06 is: 561,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,535.20 : 1,201,640.53 = 374,861.06 : x
  2. Step 2: Convert to fraction form
    801,535.20/1,201,640.53 = 374,861.06/x
  3. Step 3: Cross multiply
    801,535.20x = 1,201,640.53 × 374,861.06
  4. Step 4: Simplify right side
    801,535.20x = 450,448,242,814.76
  5. Step 5: Solve for x
    x = 450,448,242,814.76/801,535.20
  6. Step 6: Final answer
    x = 561,981.86

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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.