Home / 801,349.14-1,105,857.76-438,766.41

Finding the Fourth Proportional to 801,349.14, 1,105,857.76 and 438,766.41

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Solution

The fourth proportional to 801,349.14, 1,105,857.76 and 438,766.41 is: 605,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,349.14 : 1,105,857.76 = 438,766.41 : x
  2. Step 2: Convert to fraction form
    801,349.14/1,105,857.76 = 438,766.41/x
  3. Step 3: Cross multiply
    801,349.14x = 1,105,857.76 × 438,766.41
  4. Step 4: Simplify right side
    801,349.14x = 485,213,238,228.93
  5. Step 5: Solve for x
    x = 485,213,238,228.93/801,349.14
  6. Step 6: Final answer
    x = 605,495.43

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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.