Home / 668,425.74-1,002,031.72-247,406.38

Finding the Fourth Proportional to 668,425.74, 1,002,031.72 and 247,406.38

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Solution

The fourth proportional to 668,425.74, 1,002,031.72 and 247,406.38 is: 370,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,425.74 : 1,002,031.72 = 247,406.38 : x
  2. Step 2: Convert to fraction form
    668,425.74/1,002,031.72 = 247,406.38/x
  3. Step 3: Cross multiply
    668,425.74x = 1,002,031.72 × 247,406.38
  4. Step 4: Simplify right side
    668,425.74x = 247,909,040,490.37
  5. Step 5: Solve for x
    x = 247,909,040,490.37/668,425.74
  6. Step 6: Final answer
    x = 370,884.94

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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.