Home / 775,046.95-1,162,792.77-325,536.64

Finding the Fourth Proportional to 775,046.95, 1,162,792.77 and 325,536.64

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Solution

The fourth proportional to 775,046.95, 1,162,792.77 and 325,536.64 is: 488,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,046.95 : 1,162,792.77 = 325,536.64 : x
  2. Step 2: Convert to fraction form
    775,046.95/1,162,792.77 = 325,536.64/x
  3. Step 3: Cross multiply
    775,046.95x = 1,162,792.77 × 325,536.64
  4. Step 4: Simplify right side
    775,046.95x = 378,531,651,362.09
  5. Step 5: Solve for x
    x = 378,531,651,362.09/775,046.95
  6. Step 6: Final answer
    x = 488,398.35

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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.