Home / 878,604.75-1,318,109.40-373,181.76

Finding the Fourth Proportional to 878,604.75, 1,318,109.40 and 373,181.76

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Solution

The fourth proportional to 878,604.75, 1,318,109.40 and 373,181.76 is: 559,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,604.75 : 1,318,109.40 = 373,181.76 : x
  2. Step 2: Convert to fraction form
    878,604.75/1,318,109.40 = 373,181.76/x
  3. Step 3: Cross multiply
    878,604.75x = 1,318,109.40 × 373,181.76
  4. Step 4: Simplify right side
    878,604.75x = 491,894,385,764.54
  5. Step 5: Solve for x
    x = 491,894,385,764.54/878,604.75
  6. Step 6: Final answer
    x = 559,858.56

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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.