Home / 899,144.13-1,348,731.08-300,108.43

Finding the Fourth Proportional to 899,144.13, 1,348,731.08 and 300,108.43

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Solution

The fourth proportional to 899,144.13, 1,348,731.08 and 300,108.43 is: 450,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,144.13 : 1,348,731.08 = 300,108.43 : x
  2. Step 2: Convert to fraction form
    899,144.13/1,348,731.08 = 300,108.43/x
  3. Step 3: Cross multiply
    899,144.13x = 1,348,731.08 × 300,108.43
  4. Step 4: Simplify right side
    899,144.13x = 404,765,566,911.00
  5. Step 5: Solve for x
    x = 404,765,566,911.00/899,144.13
  6. Step 6: Final answer
    x = 450,167.61

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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.