Home / 899,144.64-1,348,731.84-300,108.93

Finding the Fourth Proportional to 899,144.64, 1,348,731.84 and 300,108.93

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Solution

The fourth proportional to 899,144.64, 1,348,731.84 and 300,108.93 is: 450,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,144.64 : 1,348,731.84 = 300,108.93 : x
  2. Step 2: Convert to fraction form
    899,144.64/1,348,731.84 = 300,108.93/x
  3. Step 3: Cross multiply
    899,144.64x = 1,348,731.84 × 300,108.93
  4. Step 4: Simplify right side
    899,144.64x = 404,766,469,359.33
  5. Step 5: Solve for x
    x = 404,766,469,359.33/899,144.64
  6. Step 6: Final answer
    x = 450,168.36

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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.