Home / 911,323.20-1,366,984.80-379,882.20

Finding the Fourth Proportional to 911,323.20, 1,366,984.80 and 379,882.20

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Solution

The fourth proportional to 911,323.20, 1,366,984.80 and 379,882.20 is: 569,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,323.20 : 1,366,984.80 = 379,882.20 : x
  2. Step 2: Convert to fraction form
    911,323.20/1,366,984.80 = 379,882.20/x
  3. Step 3: Cross multiply
    911,323.20x = 1,366,984.80 × 379,882.20
  4. Step 4: Simplify right side
    911,323.20x = 519,293,193,190.56
  5. Step 5: Solve for x
    x = 519,293,193,190.56/911,323.20
  6. Step 6: Final answer
    x = 569,823.30

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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.