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Finding the Fourth Proportional to 701,749.36, 968,413.42 and 379,458.72

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Solution

The fourth proportional to 701,749.36, 968,413.42 and 379,458.72 is: 523,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,749.36 : 968,413.42 = 379,458.72 : x
  2. Step 2: Convert to fraction form
    701,749.36/968,413.42 = 379,458.72/x
  3. Step 3: Cross multiply
    701,749.36x = 968,413.42 × 379,458.72
  4. Step 4: Simplify right side
    701,749.36x = 367,472,916,784.02
  5. Step 5: Solve for x
    x = 367,472,916,784.02/701,749.36
  6. Step 6: Final answer
    x = 523,652.66

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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.