Home / 893,934.43-1,340,871.77-388,495.44

Finding the Fourth Proportional to 893,934.43, 1,340,871.77 and 388,495.44

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Solution

The fourth proportional to 893,934.43, 1,340,871.77 and 388,495.44 is: 582,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,934.43 : 1,340,871.77 = 388,495.44 : x
  2. Step 2: Convert to fraction form
    893,934.43/1,340,871.77 = 388,495.44/x
  3. Step 3: Cross multiply
    893,934.43x = 1,340,871.77 × 388,495.44
  4. Step 4: Simplify right side
    893,934.43x = 520,922,569,240.97
  5. Step 5: Solve for x
    x = 520,922,569,240.97/893,934.43
  6. Step 6: Final answer
    x = 582,730.18

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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.