Home / 685,009.48-1,027,259.34-235,604.20

Finding the Fourth Proportional to 685,009.48, 1,027,259.34 and 235,604.20

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Solution

The fourth proportional to 685,009.48, 1,027,259.34 and 235,604.20 is: 353,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,009.48 : 1,027,259.34 = 235,604.20 : x
  2. Step 2: Convert to fraction form
    685,009.48/1,027,259.34 = 235,604.20/x
  3. Step 3: Cross multiply
    685,009.48x = 1,027,259.34 × 235,604.20
  4. Step 4: Simplify right side
    685,009.48x = 242,026,614,993.23
  5. Step 5: Solve for x
    x = 242,026,614,993.23/685,009.48
  6. Step 6: Final answer
    x = 353,318.64

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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.