Home / 768,124.20-1,151,840.70-294,652.20

Finding the Fourth Proportional to 768,124.20, 1,151,840.70 and 294,652.20

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Solution

The fourth proportional to 768,124.20, 1,151,840.70 and 294,652.20 is: 441,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,124.20 : 1,151,840.70 = 294,652.20 : x
  2. Step 2: Convert to fraction form
    768,124.20/1,151,840.70 = 294,652.20/x
  3. Step 3: Cross multiply
    768,124.20x = 1,151,840.70 × 294,652.20
  4. Step 4: Simplify right side
    768,124.20x = 339,392,396,304.54
  5. Step 5: Solve for x
    x = 339,392,396,304.54/768,124.20
  6. Step 6: Final answer
    x = 441,845.73

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1.5x scale

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.