Home / 668,112.40-1,002,388.52-444,353.14

Finding the Fourth Proportional to 668,112.40, 1,002,388.52 and 444,353.14

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Solution

The fourth proportional to 668,112.40, 1,002,388.52 and 444,353.14 is: 666,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,112.40 : 1,002,388.52 = 444,353.14 : x
  2. Step 2: Convert to fraction form
    668,112.40/1,002,388.52 = 444,353.14/x
  3. Step 3: Cross multiply
    668,112.40x = 1,002,388.52 × 444,353.14
  4. Step 4: Simplify right side
    668,112.40x = 445,414,486,361.95
  5. Step 5: Solve for x
    x = 445,414,486,361.95/668,112.40
  6. Step 6: Final answer
    x = 666,675.98

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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.