Home / 685,750.86-1,027,996.29-236,365.02

Finding the Fourth Proportional to 685,750.86, 1,027,996.29 and 236,365.02

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Solution

The fourth proportional to 685,750.86, 1,027,996.29 and 236,365.02 is: 354,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,750.86 : 1,027,996.29 = 236,365.02 : x
  2. Step 2: Convert to fraction form
    685,750.86/1,027,996.29 = 236,365.02/x
  3. Step 3: Cross multiply
    685,750.86x = 1,027,996.29 × 236,365.02
  4. Step 4: Simplify right side
    685,750.86x = 242,982,363,645.78
  5. Step 5: Solve for x
    x = 242,982,363,645.78/685,750.86
  6. Step 6: Final answer
    x = 354,330.38

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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.