Home / 685,265.36-1,027,876.64-325,695.06

Finding the Fourth Proportional to 685,265.36, 1,027,876.64 and 325,695.06

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Solution

The fourth proportional to 685,265.36, 1,027,876.64 and 325,695.06 is: 488,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,265.36 : 1,027,876.64 = 325,695.06 : x
  2. Step 2: Convert to fraction form
    685,265.36/1,027,876.64 = 325,695.06/x
  3. Step 3: Cross multiply
    685,265.36x = 1,027,876.64 × 325,695.06
  4. Step 4: Simplify right side
    685,265.36x = 334,774,342,308.92
  5. Step 5: Solve for x
    x = 334,774,342,308.92/685,265.36
  6. Step 6: Final answer
    x = 488,532.42

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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.