Home / 801,253.32-1,105,687.56-438,607.71

Finding the Fourth Proportional to 801,253.32, 1,105,687.56 and 438,607.71

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Solution

The fourth proportional to 801,253.32, 1,105,687.56 and 438,607.71 is: 605,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,253.32 : 1,105,687.56 = 438,607.71 : x
  2. Step 2: Convert to fraction form
    801,253.32/1,105,687.56 = 438,607.71/x
  3. Step 3: Cross multiply
    801,253.32x = 1,105,687.56 × 438,607.71
  4. Step 4: Simplify right side
    801,253.32x = 484,963,090,311.87
  5. Step 5: Solve for x
    x = 484,963,090,311.87/801,253.32
  6. Step 6: Final answer
    x = 605,255.64

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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.