Home / 727,435.66-1,090,453.63-372,616.78

Finding the Fourth Proportional to 727,435.66, 1,090,453.63 and 372,616.78

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Solution

The fourth proportional to 727,435.66, 1,090,453.63 and 372,616.78 is: 558,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,435.66 : 1,090,453.63 = 372,616.78 : x
  2. Step 2: Convert to fraction form
    727,435.66/1,090,453.63 = 372,616.78/x
  3. Step 3: Cross multiply
    727,435.66x = 1,090,453.63 × 372,616.78
  4. Step 4: Simplify right side
    727,435.66x = 406,321,320,349.91
  5. Step 5: Solve for x
    x = 406,321,320,349.91/727,435.66
  6. Step 6: Final answer
    x = 558,566.68

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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.