Home / 753,003.96-1,129,659.54-254,356.92

Finding the Fourth Proportional to 753,003.96, 1,129,659.54 and 254,356.92

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Solution

The fourth proportional to 753,003.96, 1,129,659.54 and 254,356.92 is: 381,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,003.96 : 1,129,659.54 = 254,356.92 : x
  2. Step 2: Convert to fraction form
    753,003.96/1,129,659.54 = 254,356.92/x
  3. Step 3: Cross multiply
    753,003.96x = 1,129,659.54 × 254,356.92
  4. Step 4: Simplify right side
    753,003.96x = 287,336,721,243.02
  5. Step 5: Solve for x
    x = 287,336,721,243.02/753,003.96
  6. Step 6: Final answer
    x = 381,587.26

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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.