Home / 801,224.06-1,105,689.46-438,670.94

Finding the Fourth Proportional to 801,224.06, 1,105,689.46 and 438,670.94

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Solution

The fourth proportional to 801,224.06, 1,105,689.46 and 438,670.94 is: 605,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,224.06 : 1,105,689.46 = 438,670.94 : x
  2. Step 2: Convert to fraction form
    801,224.06/1,105,689.46 = 438,670.94/x
  3. Step 3: Cross multiply
    801,224.06x = 1,105,689.46 × 438,670.94
  4. Step 4: Simplify right side
    801,224.06x = 485,033,834,766.29
  5. Step 5: Solve for x
    x = 485,033,834,766.29/801,224.06
  6. Step 6: Final answer
    x = 605,366.04

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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.