Home / 740,945.21-1,022,504.31-401,413.46

Finding the Fourth Proportional to 740,945.21, 1,022,504.31 and 401,413.46

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Solution

The fourth proportional to 740,945.21, 1,022,504.31 and 401,413.46 is: 553,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,945.21 : 1,022,504.31 = 401,413.46 : x
  2. Step 2: Convert to fraction form
    740,945.21/1,022,504.31 = 401,413.46/x
  3. Step 3: Cross multiply
    740,945.21x = 1,022,504.31 × 401,413.46
  4. Step 4: Simplify right side
    740,945.21x = 410,446,987,829.49
  5. Step 5: Solve for x
    x = 410,446,987,829.49/740,945.21
  6. Step 6: Final answer
    x = 553,950.53

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1.5x scale

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.