Home / 988,380.80-1,363,843.56-701,796.32

Finding the Fourth Proportional to 988,380.80, 1,363,843.56 and 701,796.32

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Solution

The fourth proportional to 988,380.80, 1,363,843.56 and 701,796.32 is: 968,392.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,380.80 : 1,363,843.56 = 701,796.32 : x
  2. Step 2: Convert to fraction form
    988,380.80/1,363,843.56 = 701,796.32/x
  3. Step 3: Cross multiply
    988,380.80x = 1,363,843.56 × 701,796.32
  4. Step 4: Simplify right side
    988,380.80x = 957,140,391,463.70
  5. Step 5: Solve for x
    x = 957,140,391,463.70/988,380.80
  6. Step 6: Final answer
    x = 968,392.34

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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.