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Finding the Fourth Proportional to 444,627.38, 613,528.65 and 253,629.38

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Solution

The fourth proportional to 444,627.38, 613,528.65 and 253,629.38 is: 349,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,627.38 : 613,528.65 = 253,629.38 : x
  2. Step 2: Convert to fraction form
    444,627.38/613,528.65 = 253,629.38/x
  3. Step 3: Cross multiply
    444,627.38x = 613,528.65 × 253,629.38
  4. Step 4: Simplify right side
    444,627.38x = 155,608,891,111.74
  5. Step 5: Solve for x
    x = 155,608,891,111.74/444,627.38
  6. Step 6: Final answer
    x = 349,975.95

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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.