Home / 685,356.86-1,027,424.67-325,305.59

Finding the Fourth Proportional to 685,356.86, 1,027,424.67 and 325,305.59

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Solution

The fourth proportional to 685,356.86, 1,027,424.67 and 325,305.59 is: 487,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,356.86 : 1,027,424.67 = 325,305.59 : x
  2. Step 2: Convert to fraction form
    685,356.86/1,027,424.67 = 325,305.59/x
  3. Step 3: Cross multiply
    685,356.86x = 1,027,424.67 × 325,305.59
  4. Step 4: Simplify right side
    685,356.86x = 334,226,982,097.89
  5. Step 5: Solve for x
    x = 334,226,982,097.89/685,356.86
  6. Step 6: Final answer
    x = 487,668.54

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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.