Home / 775,829.79-1,163,764.13-214,869.15

Finding the Fourth Proportional to 775,829.79, 1,163,764.13 and 214,869.15

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Solution

The fourth proportional to 775,829.79, 1,163,764.13 and 214,869.15 is: 322,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,829.79 : 1,163,764.13 = 214,869.15 : x
  2. Step 2: Convert to fraction form
    775,829.79/1,163,764.13 = 214,869.15/x
  3. Step 3: Cross multiply
    775,829.79x = 1,163,764.13 × 214,869.15
  4. Step 4: Simplify right side
    775,829.79x = 250,057,008,339.24
  5. Step 5: Solve for x
    x = 250,057,008,339.24/775,829.79
  6. Step 6: Final answer
    x = 322,309.11

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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.