Home / 922,778.40-1,384,513.20-362,215.20

Finding the Fourth Proportional to 922,778.40, 1,384,513.20 and 362,215.20

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Solution

The fourth proportional to 922,778.40, 1,384,513.20 and 362,215.20 is: 543,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,778.40 : 1,384,513.20 = 362,215.20 : x
  2. Step 2: Convert to fraction form
    922,778.40/1,384,513.20 = 362,215.20/x
  3. Step 3: Cross multiply
    922,778.40x = 1,384,513.20 × 362,215.20
  4. Step 4: Simplify right side
    922,778.40x = 501,491,725,640.64
  5. Step 5: Solve for x
    x = 501,491,725,640.64/922,778.40
  6. Step 6: Final answer
    x = 543,458.46

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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.