Home / 703,486.54-1,055,249.52-438,013.90

Finding the Fourth Proportional to 703,486.54, 1,055,249.52 and 438,013.90

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Solution

The fourth proportional to 703,486.54, 1,055,249.52 and 438,013.90 is: 657,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,486.54 : 1,055,249.52 = 438,013.90 : x
  2. Step 2: Convert to fraction form
    703,486.54/1,055,249.52 = 438,013.90/x
  3. Step 3: Cross multiply
    703,486.54x = 1,055,249.52 × 438,013.90
  4. Step 4: Simplify right side
    703,486.54x = 462,213,957,728.33
  5. Step 5: Solve for x
    x = 462,213,957,728.33/703,486.54
  6. Step 6: Final answer
    x = 657,033.12

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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.