Home / 445,490.03-668,805.29-382,711.79

Finding the Fourth Proportional to 445,490.03, 668,805.29 and 382,711.79

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Solution

The fourth proportional to 445,490.03, 668,805.29 and 382,711.79 is: 574,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,490.03 : 668,805.29 = 382,711.79 : x
  2. Step 2: Convert to fraction form
    445,490.03/668,805.29 = 382,711.79/x
  3. Step 3: Cross multiply
    445,490.03x = 668,805.29 × 382,711.79
  4. Step 4: Simplify right side
    445,490.03x = 255,959,664,439.78
  5. Step 5: Solve for x
    x = 255,959,664,439.78/445,490.03
  6. Step 6: Final answer
    x = 574,557.57

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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.