Home / 613,028.52-919,084.64-422,946.48

Finding the Fourth Proportional to 613,028.52, 919,084.64 and 422,946.48

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Solution

The fourth proportional to 613,028.52, 919,084.64 and 422,946.48 is: 634,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,028.52 : 919,084.64 = 422,946.48 : x
  2. Step 2: Convert to fraction form
    613,028.52/919,084.64 = 422,946.48/x
  3. Step 3: Cross multiply
    613,028.52x = 919,084.64 × 422,946.48
  4. Step 4: Simplify right side
    613,028.52x = 388,723,613,310.07
  5. Step 5: Solve for x
    x = 388,723,613,310.07/613,028.52
  6. Step 6: Final answer
    x = 634,103.64

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1.5x scale

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.