Home / 727,435.20-1,090,452.88-372,616.32

Finding the Fourth Proportional to 727,435.20, 1,090,452.88 and 372,616.32

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Solution

The fourth proportional to 727,435.20, 1,090,452.88 and 372,616.32 is: 558,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,435.20 : 1,090,452.88 = 372,616.32 : x
  2. Step 2: Convert to fraction form
    727,435.20/1,090,452.88 = 372,616.32/x
  3. Step 3: Cross multiply
    727,435.20x = 1,090,452.88 × 372,616.32
  4. Step 4: Simplify right side
    727,435.20x = 406,320,539,279.00
  5. Step 5: Solve for x
    x = 406,320,539,279.00/727,435.20
  6. Step 6: Final answer
    x = 558,565.96

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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.