Home / 751,024.98-1,126,402.85-211,151.78

Finding the Fourth Proportional to 751,024.98, 1,126,402.85 and 211,151.78

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Solution

The fourth proportional to 751,024.98, 1,126,402.85 and 211,151.78 is: 316,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,024.98 : 1,126,402.85 = 211,151.78 : x
  2. Step 2: Convert to fraction form
    751,024.98/1,126,402.85 = 211,151.78/x
  3. Step 3: Cross multiply
    751,024.98x = 1,126,402.85 × 211,151.78
  4. Step 4: Simplify right side
    751,024.98x = 237,841,960,086.80
  5. Step 5: Solve for x
    x = 237,841,960,086.80/751,024.98
  6. Step 6: Final answer
    x = 316,689.81

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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.