Home / 907,799.60-1,361,879.83-308,599.88

Finding the Fourth Proportional to 907,799.60, 1,361,879.83 and 308,599.88

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Solution

The fourth proportional to 907,799.60, 1,361,879.83 and 308,599.88 is: 462,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,799.60 : 1,361,879.83 = 308,599.88 : x
  2. Step 2: Convert to fraction form
    907,799.60/1,361,879.83 = 308,599.88/x
  3. Step 3: Cross multiply
    907,799.60x = 1,361,879.83 × 308,599.88
  4. Step 4: Simplify right side
    907,799.60x = 420,275,945,688.77
  5. Step 5: Solve for x
    x = 420,275,945,688.77/907,799.60
  6. Step 6: Final answer
    x = 462,961.15

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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.