Home / 775,777.52-1,163,667.72-243,339.84

Finding the Fourth Proportional to 775,777.52, 1,163,667.72 and 243,339.84

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Solution

The fourth proportional to 775,777.52, 1,163,667.72 and 243,339.84 is: 365,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,777.52 : 1,163,667.72 = 243,339.84 : x
  2. Step 2: Convert to fraction form
    775,777.52/1,163,667.72 = 243,339.84/x
  3. Step 3: Cross multiply
    775,777.52x = 1,163,667.72 × 243,339.84
  4. Step 4: Simplify right side
    775,777.52x = 283,166,716,797.97
  5. Step 5: Solve for x
    x = 283,166,716,797.97/775,777.52
  6. Step 6: Final answer
    x = 365,010.21

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Double scale
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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.