Home / 668,673.60-1,002,999.84-269,304.96

Finding the Fourth Proportional to 668,673.60, 1,002,999.84 and 269,304.96

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Solution

The fourth proportional to 668,673.60, 1,002,999.84 and 269,304.96 is: 403,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,673.60 : 1,002,999.84 = 269,304.96 : x
  2. Step 2: Convert to fraction form
    668,673.60/1,002,999.84 = 269,304.96/x
  3. Step 3: Cross multiply
    668,673.60x = 1,002,999.84 × 269,304.96
  4. Step 4: Simplify right side
    668,673.60x = 270,112,831,791.21
  5. Step 5: Solve for x
    x = 270,112,831,791.21/668,673.60
  6. Step 6: Final answer
    x = 403,953.19

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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.