Home / 775,981.42-1,163,958.68-349,215.25

Finding the Fourth Proportional to 775,981.42, 1,163,958.68 and 349,215.25

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Solution

The fourth proportional to 775,981.42, 1,163,958.68 and 349,215.25 is: 523,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,981.42 : 1,163,958.68 = 349,215.25 : x
  2. Step 2: Convert to fraction form
    775,981.42/1,163,958.68 = 349,215.25/x
  3. Step 3: Cross multiply
    775,981.42x = 1,163,958.68 × 349,215.25
  4. Step 4: Simplify right side
    775,981.42x = 406,472,118,515.97
  5. Step 5: Solve for x
    x = 406,472,118,515.97/775,981.42
  6. Step 6: Final answer
    x = 523,816.82

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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.