Home / 775,958.25-1,163,986.58-243,500.30

Finding the Fourth Proportional to 775,958.25, 1,163,986.58 and 243,500.30

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Solution

The fourth proportional to 775,958.25, 1,163,986.58 and 243,500.30 is: 365,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,958.25 : 1,163,986.58 = 243,500.30 : x
  2. Step 2: Convert to fraction form
    775,958.25/1,163,986.58 = 243,500.30/x
  3. Step 3: Cross multiply
    775,958.25x = 1,163,986.58 × 243,500.30
  4. Step 4: Simplify right side
    775,958.25x = 283,431,080,579.74
  5. Step 5: Solve for x
    x = 283,431,080,579.74/775,958.25
  6. Step 6: Final answer
    x = 365,265.89

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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.