Home / 748,365.39-1,122,413.22-215,755.56

Finding the Fourth Proportional to 748,365.39, 1,122,413.22 and 215,755.56

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Solution

The fourth proportional to 748,365.39, 1,122,413.22 and 215,755.56 is: 323,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,365.39 : 1,122,413.22 = 215,755.56 : x
  2. Step 2: Convert to fraction form
    748,365.39/1,122,413.22 = 215,755.56/x
  3. Step 3: Cross multiply
    748,365.39x = 1,122,413.22 × 215,755.56
  4. Step 4: Simplify right side
    748,365.39x = 242,166,892,832.50
  5. Step 5: Solve for x
    x = 242,166,892,832.50/748,365.39
  6. Step 6: Final answer
    x = 323,594.46

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Double scale
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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.