Home / 790,087.11-1,090,318-427,517.12

Finding the Fourth Proportional to 790,087.11, 1,090,318 and 427,517.12

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Solution

The fourth proportional to 790,087.11, 1,090,318 and 427,517.12 is: 589,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,087.11 : 1,090,318 = 427,517.12 : x
  2. Step 2: Convert to fraction form
    790,087.11/1,090,318 = 427,517.12/x
  3. Step 3: Cross multiply
    790,087.11x = 1,090,318 × 427,517.12
  4. Step 4: Simplify right side
    790,087.11x = 466,129,611,244.16
  5. Step 5: Solve for x
    x = 466,129,611,244.16/790,087.11
  6. Step 6: Final answer
    x = 589,972.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.