Home / 727,436.20-1,090,454.38-372,617.32

Finding the Fourth Proportional to 727,436.20, 1,090,454.38 and 372,617.32

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Solution

The fourth proportional to 727,436.20, 1,090,454.38 and 372,617.32 is: 558,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,436.20 : 1,090,454.38 = 372,617.32 : x
  2. Step 2: Convert to fraction form
    727,436.20/1,090,454.38 = 372,617.32/x
  3. Step 3: Cross multiply
    727,436.20x = 1,090,454.38 × 372,617.32
  4. Step 4: Simplify right side
    727,436.20x = 406,322,188,657.86
  5. Step 5: Solve for x
    x = 406,322,188,657.86/727,436.20
  6. Step 6: Final answer
    x = 558,567.46

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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.