Home / 831,410.12-1,246,561.32-298,861.95

Finding the Fourth Proportional to 831,410.12, 1,246,561.32 and 298,861.95

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Solution

The fourth proportional to 831,410.12, 1,246,561.32 and 298,861.95 is: 448,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,410.12 : 1,246,561.32 = 298,861.95 : x
  2. Step 2: Convert to fraction form
    831,410.12/1,246,561.32 = 298,861.95/x
  3. Step 3: Cross multiply
    831,410.12x = 1,246,561.32 × 298,861.95
  4. Step 4: Simplify right side
    831,410.12x = 372,549,752,685.11
  5. Step 5: Solve for x
    x = 372,549,752,685.11/831,410.12
  6. Step 6: Final answer
    x = 448,093.84

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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.