Home / 667,401.93-1,000,406.57-330,232.14

Finding the Fourth Proportional to 667,401.93, 1,000,406.57 and 330,232.14

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Solution

The fourth proportional to 667,401.93, 1,000,406.57 and 330,232.14 is: 495,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,401.93 : 1,000,406.57 = 330,232.14 : x
  2. Step 2: Convert to fraction form
    667,401.93/1,000,406.57 = 330,232.14/x
  3. Step 3: Cross multiply
    667,401.93x = 1,000,406.57 × 330,232.14
  4. Step 4: Simplify right side
    667,401.93x = 330,366,400,830.00
  5. Step 5: Solve for x
    x = 330,366,400,830.00/667,401.93
  6. Step 6: Final answer
    x = 495,003.66

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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.