Home / 893,929.97-1,340,865.26-388,491.44

Finding the Fourth Proportional to 893,929.97, 1,340,865.26 and 388,491.44

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Solution

The fourth proportional to 893,929.97, 1,340,865.26 and 388,491.44 is: 582,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,929.97 : 1,340,865.26 = 388,491.44 : x
  2. Step 2: Convert to fraction form
    893,929.97/1,340,865.26 = 388,491.44/x
  3. Step 3: Cross multiply
    893,929.97x = 1,340,865.26 × 388,491.44
  4. Step 4: Simplify right side
    893,929.97x = 520,914,676,055.80
  5. Step 5: Solve for x
    x = 520,914,676,055.80/893,929.97
  6. Step 6: Final answer
    x = 582,724.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.