Home / 445,614.72-668,992-382,836.48

Finding the Fourth Proportional to 445,614.72, 668,992 and 382,836.48

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Solution

The fourth proportional to 445,614.72, 668,992 and 382,836.48 is: 574,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,614.72 : 668,992 = 382,836.48 : x
  2. Step 2: Convert to fraction form
    445,614.72/668,992 = 382,836.48/x
  3. Step 3: Cross multiply
    445,614.72x = 668,992 × 382,836.48
  4. Step 4: Simplify right side
    445,614.72x = 256,114,542,428.16
  5. Step 5: Solve for x
    x = 256,114,542,428.16/445,614.72
  6. Step 6: Final answer
    x = 574,744.35

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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.