Home / 684,811.22-1,027,435.55-329,861.14

Finding the Fourth Proportional to 684,811.22, 1,027,435.55 and 329,861.14

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Solution

The fourth proportional to 684,811.22, 1,027,435.55 and 329,861.14 is: 494,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,811.22 : 1,027,435.55 = 329,861.14 : x
  2. Step 2: Convert to fraction form
    684,811.22/1,027,435.55 = 329,861.14/x
  3. Step 3: Cross multiply
    684,811.22x = 1,027,435.55 × 329,861.14
  4. Step 4: Simplify right side
    684,811.22x = 338,911,061,799.53
  5. Step 5: Solve for x
    x = 338,911,061,799.53/684,811.22
  6. Step 6: Final answer
    x = 494,897.06

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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.