Home / 671,086.43-1,005,786.81-401,413.53

Finding the Fourth Proportional to 671,086.43, 1,005,786.81 and 401,413.53

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Solution

The fourth proportional to 671,086.43, 1,005,786.81 and 401,413.53 is: 601,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,086.43 : 1,005,786.81 = 401,413.53 : x
  2. Step 2: Convert to fraction form
    671,086.43/1,005,786.81 = 401,413.53/x
  3. Step 3: Cross multiply
    671,086.43x = 1,005,786.81 × 401,413.53
  4. Step 4: Simplify right side
    671,086.43x = 403,736,433,829.54
  5. Step 5: Solve for x
    x = 403,736,433,829.54/671,086.43
  6. Step 6: Final answer
    x = 601,616.15

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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.