Home / 668,408.22-1,002,645.27-247,585.68

Finding the Fourth Proportional to 668,408.22, 1,002,645.27 and 247,585.68

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Solution

The fourth proportional to 668,408.22, 1,002,645.27 and 247,585.68 is: 371,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,408.22 : 1,002,645.27 = 247,585.68 : x
  2. Step 2: Convert to fraction form
    668,408.22/1,002,645.27 = 247,585.68/x
  3. Step 3: Cross multiply
    668,408.22x = 1,002,645.27 × 247,585.68
  4. Step 4: Simplify right side
    668,408.22x = 248,240,610,971.73
  5. Step 5: Solve for x
    x = 248,240,610,971.73/668,408.22
  6. Step 6: Final answer
    x = 371,390.72

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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.