Home / 728,935.25-1,093,480.63-308,253.65

Finding the Fourth Proportional to 728,935.25, 1,093,480.63 and 308,253.65

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Solution

The fourth proportional to 728,935.25, 1,093,480.63 and 308,253.65 is: 462,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,935.25 : 1,093,480.63 = 308,253.65 : x
  2. Step 2: Convert to fraction form
    728,935.25/1,093,480.63 = 308,253.65/x
  3. Step 3: Cross multiply
    728,935.25x = 1,093,480.63 × 308,253.65
  4. Step 4: Simplify right side
    728,935.25x = 337,069,389,163.76
  5. Step 5: Solve for x
    x = 337,069,389,163.76/728,935.25
  6. Step 6: Final answer
    x = 462,413.35

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1.5x scale

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.