Home / 775,617.54-1,163,445.75-214,656.90

Finding the Fourth Proportional to 775,617.54, 1,163,445.75 and 214,656.90

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Solution

The fourth proportional to 775,617.54, 1,163,445.75 and 214,656.90 is: 321,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,617.54 : 1,163,445.75 = 214,656.90 : x
  2. Step 2: Convert to fraction form
    775,617.54/1,163,445.75 = 214,656.90/x
  3. Step 3: Cross multiply
    775,617.54x = 1,163,445.75 × 214,656.90
  4. Step 4: Simplify right side
    775,617.54x = 249,741,658,013.18
  5. Step 5: Solve for x
    x = 249,741,658,013.18/775,617.54
  6. Step 6: Final answer
    x = 321,990.73

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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.