Home / 801,185.63-1,105,636.17-443,489.63

Finding the Fourth Proportional to 801,185.63, 1,105,636.17 and 443,489.63

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Solution

The fourth proportional to 801,185.63, 1,105,636.17 and 443,489.63 is: 612,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,185.63 : 1,105,636.17 = 443,489.63 : x
  2. Step 2: Convert to fraction form
    801,185.63/1,105,636.17 = 443,489.63/x
  3. Step 3: Cross multiply
    801,185.63x = 1,105,636.17 × 443,489.63
  4. Step 4: Simplify right side
    801,185.63x = 490,338,170,419.74
  5. Step 5: Solve for x
    x = 490,338,170,419.74/801,185.63
  6. Step 6: Final answer
    x = 612,015.69

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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.