Home / 767,782.80-1,151,760.60-235,299.60

Finding the Fourth Proportional to 767,782.80, 1,151,760.60 and 235,299.60

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Solution

The fourth proportional to 767,782.80, 1,151,760.60 and 235,299.60 is: 352,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,782.80 : 1,151,760.60 = 235,299.60 : x
  2. Step 2: Convert to fraction form
    767,782.80/1,151,760.60 = 235,299.60/x
  3. Step 3: Cross multiply
    767,782.80x = 1,151,760.60 × 235,299.60
  4. Step 4: Simplify right side
    767,782.80x = 271,008,808,475.76
  5. Step 5: Solve for x
    x = 271,008,808,475.76/767,782.80
  6. Step 6: Final answer
    x = 352,975.88

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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.