Home / 685,721.73-1,028,650.29-236,383.47

Finding the Fourth Proportional to 685,721.73, 1,028,650.29 and 236,383.47

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Solution

The fourth proportional to 685,721.73, 1,028,650.29 and 236,383.47 is: 354,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,721.73 : 1,028,650.29 = 236,383.47 : x
  2. Step 2: Convert to fraction form
    685,721.73/1,028,650.29 = 236,383.47/x
  3. Step 3: Cross multiply
    685,721.73x = 1,028,650.29 × 236,383.47
  4. Step 4: Simplify right side
    685,721.73x = 243,155,924,966.71
  5. Step 5: Solve for x
    x = 243,155,924,966.71/685,721.73
  6. Step 6: Final answer
    x = 354,598.54

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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.