Home / 681,927.70-1,023,511.20-345,202.60

Finding the Fourth Proportional to 681,927.70, 1,023,511.20 and 345,202.60

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Solution

The fourth proportional to 681,927.70, 1,023,511.20 and 345,202.60 is: 518,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,927.70 : 1,023,511.20 = 345,202.60 : x
  2. Step 2: Convert to fraction form
    681,927.70/1,023,511.20 = 345,202.60/x
  3. Step 3: Cross multiply
    681,927.70x = 1,023,511.20 × 345,202.60
  4. Step 4: Simplify right side
    681,927.70x = 353,318,727,369.12
  5. Step 5: Solve for x
    x = 353,318,727,369.12/681,927.70
  6. Step 6: Final answer
    x = 518,117.58

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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.