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Finding the Fourth Proportional to 775,657.04, 1,163,511 and 214,644.56

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Solution

The fourth proportional to 775,657.04, 1,163,511 and 214,644.56 is: 321,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,657.04 : 1,163,511 = 214,644.56 : x
  2. Step 2: Convert to fraction form
    775,657.04/1,163,511 = 214,644.56/x
  3. Step 3: Cross multiply
    775,657.04x = 1,163,511 × 214,644.56
  4. Step 4: Simplify right side
    775,657.04x = 249,741,306,650.16
  5. Step 5: Solve for x
    x = 249,741,306,650.16/775,657.04
  6. Step 6: Final answer
    x = 321,973.88

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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.