Home / 677,014.11-1,009,468.49-658,413.68

Finding the Fourth Proportional to 677,014.11, 1,009,468.49 and 658,413.68

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Solution

The fourth proportional to 677,014.11, 1,009,468.49 and 658,413.68 is: 981,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,014.11 : 1,009,468.49 = 658,413.68 : x
  2. Step 2: Convert to fraction form
    677,014.11/1,009,468.49 = 658,413.68/x
  3. Step 3: Cross multiply
    677,014.11x = 1,009,468.49 × 658,413.68
  4. Step 4: Simplify right side
    677,014.11x = 664,647,855,005.53
  5. Step 5: Solve for x
    x = 664,647,855,005.53/677,014.11
  6. Step 6: Final answer
    x = 981,734.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.