Home / 681,525.66-1,022,285.76-255,093.47

Finding the Fourth Proportional to 681,525.66, 1,022,285.76 and 255,093.47

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Solution

The fourth proportional to 681,525.66, 1,022,285.76 and 255,093.47 is: 382,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,525.66 : 1,022,285.76 = 255,093.47 : x
  2. Step 2: Convert to fraction form
    681,525.66/1,022,285.76 = 255,093.47/x
  3. Step 3: Cross multiply
    681,525.66x = 1,022,285.76 × 255,093.47
  4. Step 4: Simplify right side
    681,525.66x = 260,778,421,050.43
  5. Step 5: Solve for x
    x = 260,778,421,050.43/681,525.66
  6. Step 6: Final answer
    x = 382,639.18

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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.