Home / 830,695.66-1,246,025.59-231,640.86

Finding the Fourth Proportional to 830,695.66, 1,246,025.59 and 231,640.86

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Solution

The fourth proportional to 830,695.66, 1,246,025.59 and 231,640.86 is: 347,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,695.66 : 1,246,025.59 = 231,640.86 : x
  2. Step 2: Convert to fraction form
    830,695.66/1,246,025.59 = 231,640.86/x
  3. Step 3: Cross multiply
    830,695.66x = 1,246,025.59 × 231,640.86
  4. Step 4: Simplify right side
    830,695.66x = 288,630,439,249.61
  5. Step 5: Solve for x
    x = 288,630,439,249.61/830,695.66
  6. Step 6: Final answer
    x = 347,456.30

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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.