Home / 801,187.75-1,105,639.10-443,491.75

Finding the Fourth Proportional to 801,187.75, 1,105,639.10 and 443,491.75

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Solution

The fourth proportional to 801,187.75, 1,105,639.10 and 443,491.75 is: 612,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,187.75 : 1,105,639.10 = 443,491.75 : x
  2. Step 2: Convert to fraction form
    801,187.75/1,105,639.10 = 443,491.75/x
  3. Step 3: Cross multiply
    801,187.75x = 1,105,639.10 × 443,491.75
  4. Step 4: Simplify right side
    801,187.75x = 490,341,819,327.43
  5. Step 5: Solve for x
    x = 490,341,819,327.43/801,187.75
  6. Step 6: Final answer
    x = 612,018.62

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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.