Home / 775,958.45-1,163,986.87-243,500.49

Finding the Fourth Proportional to 775,958.45, 1,163,986.87 and 243,500.49

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Solution

The fourth proportional to 775,958.45, 1,163,986.87 and 243,500.49 is: 365,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,958.45 : 1,163,986.87 = 243,500.49 : x
  2. Step 2: Convert to fraction form
    775,958.45/1,163,986.87 = 243,500.49/x
  3. Step 3: Cross multiply
    775,958.45x = 1,163,986.87 × 243,500.49
  4. Step 4: Simplify right side
    775,958.45x = 283,431,371,981.06
  5. Step 5: Solve for x
    x = 283,431,371,981.06/775,958.45
  6. Step 6: Final answer
    x = 365,266.17

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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.