Home / 668,667.15-1,003,250.42-269,421.19

Finding the Fourth Proportional to 668,667.15, 1,003,250.42 and 269,421.19

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Solution

The fourth proportional to 668,667.15, 1,003,250.42 and 269,421.19 is: 404,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,667.15 : 1,003,250.42 = 269,421.19 : x
  2. Step 2: Convert to fraction form
    668,667.15/1,003,250.42 = 269,421.19/x
  3. Step 3: Cross multiply
    668,667.15x = 1,003,250.42 × 269,421.19
  4. Step 4: Simplify right side
    668,667.15x = 270,296,922,024.40
  5. Step 5: Solve for x
    x = 270,296,922,024.40/668,667.15
  6. Step 6: Final answer
    x = 404,232.39

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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.