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Finding the Fourth Proportional to 613,080.60, 919,610.16 and 275,882.60

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Solution

The fourth proportional to 613,080.60, 919,610.16 and 275,882.60 is: 413,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,080.60 : 919,610.16 = 275,882.60 : x
  2. Step 2: Convert to fraction form
    613,080.60/919,610.16 = 275,882.60/x
  3. Step 3: Cross multiply
    613,080.60x = 919,610.16 × 275,882.60
  4. Step 4: Simplify right side
    613,080.60x = 253,704,441,927.22
  5. Step 5: Solve for x
    x = 253,704,441,927.22/613,080.60
  6. Step 6: Final answer
    x = 413,819.07

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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.