Home / 721,552.86-1,082,336.58-322,213.95

Finding the Fourth Proportional to 721,552.86, 1,082,336.58 and 322,213.95

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Solution

The fourth proportional to 721,552.86, 1,082,336.58 and 322,213.95 is: 483,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,552.86 : 1,082,336.58 = 322,213.95 : x
  2. Step 2: Convert to fraction form
    721,552.86/1,082,336.58 = 322,213.95/x
  3. Step 3: Cross multiply
    721,552.86x = 1,082,336.58 × 322,213.95
  4. Step 4: Simplify right side
    721,552.86x = 348,743,944,671.29
  5. Step 5: Solve for x
    x = 348,743,944,671.29/721,552.86
  6. Step 6: Final answer
    x = 483,324.18

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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.