Home / 771,375.72-1,157,809.90-372,297.43

Finding the Fourth Proportional to 771,375.72, 1,157,809.90 and 372,297.43

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Solution

The fourth proportional to 771,375.72, 1,157,809.90 and 372,297.43 is: 558,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,375.72 : 1,157,809.90 = 372,297.43 : x
  2. Step 2: Convert to fraction form
    771,375.72/1,157,809.90 = 372,297.43/x
  3. Step 3: Cross multiply
    771,375.72x = 1,157,809.90 × 372,297.43
  4. Step 4: Simplify right side
    771,375.72x = 431,049,651,413.13
  5. Step 5: Solve for x
    x = 431,049,651,413.13/771,375.72
  6. Step 6: Final answer
    x = 558,806.35

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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.