Home / 775,749.60-1,163,613.96-302,767.20

Finding the Fourth Proportional to 775,749.60, 1,163,613.96 and 302,767.20

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Solution

The fourth proportional to 775,749.60, 1,163,613.96 and 302,767.20 is: 454,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,749.60 : 1,163,613.96 = 302,767.20 : x
  2. Step 2: Convert to fraction form
    775,749.60/1,163,613.96 = 302,767.20/x
  3. Step 3: Cross multiply
    775,749.60x = 1,163,613.96 × 302,767.20
  4. Step 4: Simplify right side
    775,749.60x = 352,304,140,550.11
  5. Step 5: Solve for x
    x = 352,304,140,550.11/775,749.60
  6. Step 6: Final answer
    x = 454,146.73

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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.