Home / 767,478.90-1,150,969.24-255,006.41

Finding the Fourth Proportional to 767,478.90, 1,150,969.24 and 255,006.41

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Solution

The fourth proportional to 767,478.90, 1,150,969.24 and 255,006.41 is: 382,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,478.90 : 1,150,969.24 = 255,006.41 : x
  2. Step 2: Convert to fraction form
    767,478.90/1,150,969.24 = 255,006.41/x
  3. Step 3: Cross multiply
    767,478.90x = 1,150,969.24 × 255,006.41
  4. Step 4: Simplify right side
    767,478.90x = 293,504,533,912.83
  5. Step 5: Solve for x
    x = 293,504,533,912.83/767,478.90
  6. Step 6: Final answer
    x = 382,426.84

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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.