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Finding the Fourth Proportional to 672,200, 927,655.44 and 370,413.44

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Solution

The fourth proportional to 672,200, 927,655.44 and 370,413.44 is: 511,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,200 : 927,655.44 = 370,413.44 : x
  2. Step 2: Convert to fraction form
    672,200/927,655.44 = 370,413.44/x
  3. Step 3: Cross multiply
    672,200x = 927,655.44 × 370,413.44
  4. Step 4: Simplify right side
    672,200x = 343,616,042,665.11
  5. Step 5: Solve for x
    x = 343,616,042,665.11/672,200
  6. Step 6: Final answer
    x = 511,181.26

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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.