Home / 685,444.48-1,027,911.36-236,040.32

Finding the Fourth Proportional to 685,444.48, 1,027,911.36 and 236,040.32

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Solution

The fourth proportional to 685,444.48, 1,027,911.36 and 236,040.32 is: 353,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,444.48 : 1,027,911.36 = 236,040.32 : x
  2. Step 2: Convert to fraction form
    685,444.48/1,027,911.36 = 236,040.32/x
  3. Step 3: Cross multiply
    685,444.48x = 1,027,911.36 × 236,040.32
  4. Step 4: Simplify right side
    685,444.48x = 242,628,526,346.04
  5. Step 5: Solve for x
    x = 242,628,526,346.04/685,444.48
  6. Step 6: Final answer
    x = 353,972.54

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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.