Home / 578,032.80-867,049.20-532,413.60

Finding the Fourth Proportional to 578,032.80, 867,049.20 and 532,413.60

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Solution

The fourth proportional to 578,032.80, 867,049.20 and 532,413.60 is: 798,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,032.80 : 867,049.20 = 532,413.60 : x
  2. Step 2: Convert to fraction form
    578,032.80/867,049.20 = 532,413.60/x
  3. Step 3: Cross multiply
    578,032.80x = 867,049.20 × 532,413.60
  4. Step 4: Simplify right side
    578,032.80x = 461,628,785,949.12
  5. Step 5: Solve for x
    x = 461,628,785,949.12/578,032.80
  6. Step 6: Final answer
    x = 798,620.40

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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.