Home / 728,173.38-1,004,224.86-456,270.42

Finding the Fourth Proportional to 728,173.38, 1,004,224.86 and 456,270.42

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Solution

The fourth proportional to 728,173.38, 1,004,224.86 and 456,270.42 is: 629,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,173.38 : 1,004,224.86 = 456,270.42 : x
  2. Step 2: Convert to fraction form
    728,173.38/1,004,224.86 = 456,270.42/x
  3. Step 3: Cross multiply
    728,173.38x = 1,004,224.86 × 456,270.42
  4. Step 4: Simplify right side
    728,173.38x = 458,198,098,646.64
  5. Step 5: Solve for x
    x = 458,198,098,646.64/728,173.38
  6. Step 6: Final answer
    x = 629,243.13

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Double scale
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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.