Home / 792,214.20-1,188,671.22-319,822.20

Finding the Fourth Proportional to 792,214.20, 1,188,671.22 and 319,822.20

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Solution

The fourth proportional to 792,214.20, 1,188,671.22 and 319,822.20 is: 479,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,214.20 : 1,188,671.22 = 319,822.20 : x
  2. Step 2: Convert to fraction form
    792,214.20/1,188,671.22 = 319,822.20/x
  3. Step 3: Cross multiply
    792,214.20x = 1,188,671.22 × 319,822.20
  4. Step 4: Simplify right side
    792,214.20x = 380,163,444,657.08
  5. Step 5: Solve for x
    x = 380,163,444,657.08/792,214.20
  6. Step 6: Final answer
    x = 479,874.57

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1.5x scale

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.