Home / 801,348.68-1,105,861.02-438,772.47

Finding the Fourth Proportional to 801,348.68, 1,105,861.02 and 438,772.47

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Solution

The fourth proportional to 801,348.68, 1,105,861.02 and 438,772.47 is: 605,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,348.68 : 1,105,861.02 = 438,772.47 : x
  2. Step 2: Convert to fraction form
    801,348.68/1,105,861.02 = 438,772.47/x
  3. Step 3: Cross multiply
    801,348.68x = 1,105,861.02 × 438,772.47
  4. Step 4: Simplify right side
    801,348.68x = 485,221,371,222.12
  5. Step 5: Solve for x
    x = 485,221,371,222.12/801,348.68
  6. Step 6: Final answer
    x = 605,505.93

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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.