Home / 866,630.22-1,299,680.46-305,533.50

Finding the Fourth Proportional to 866,630.22, 1,299,680.46 and 305,533.50

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Solution

The fourth proportional to 866,630.22, 1,299,680.46 and 305,533.50 is: 458,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,630.22 : 1,299,680.46 = 305,533.50 : x
  2. Step 2: Convert to fraction form
    866,630.22/1,299,680.46 = 305,533.50/x
  3. Step 3: Cross multiply
    866,630.22x = 1,299,680.46 × 305,533.50
  4. Step 4: Simplify right side
    866,630.22x = 397,095,919,825.41
  5. Step 5: Solve for x
    x = 397,095,919,825.41/866,630.22
  6. Step 6: Final answer
    x = 458,206.87

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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.