Home / 668,427.74-1,002,034.72-247,408.38

Finding the Fourth Proportional to 668,427.74, 1,002,034.72 and 247,408.38

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Solution

The fourth proportional to 668,427.74, 1,002,034.72 and 247,408.38 is: 370,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,427.74 : 1,002,034.72 = 247,408.38 : x
  2. Step 2: Convert to fraction form
    668,427.74/1,002,034.72 = 247,408.38/x
  3. Step 3: Cross multiply
    668,427.74x = 1,002,034.72 × 247,408.38
  4. Step 4: Simplify right side
    668,427.74x = 247,911,786,778.95
  5. Step 5: Solve for x
    x = 247,911,786,778.95/668,427.74
  6. Step 6: Final answer
    x = 370,887.94

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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.