Home / 908,049.60-1,361,102.40-308,455.20

Finding the Fourth Proportional to 908,049.60, 1,361,102.40 and 308,455.20

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Solution

The fourth proportional to 908,049.60, 1,361,102.40 and 308,455.20 is: 462,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,049.60 : 1,361,102.40 = 308,455.20 : x
  2. Step 2: Convert to fraction form
    908,049.60/1,361,102.40 = 308,455.20/x
  3. Step 3: Cross multiply
    908,049.60x = 1,361,102.40 × 308,455.20
  4. Step 4: Simplify right side
    908,049.60x = 419,839,113,012.48
  5. Step 5: Solve for x
    x = 419,839,113,012.48/908,049.60
  6. Step 6: Final answer
    x = 462,352.62

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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.