Home / 838,481.60-1,157,046.23-475,912.84

Finding the Fourth Proportional to 838,481.60, 1,157,046.23 and 475,912.84

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Solution

The fourth proportional to 838,481.60, 1,157,046.23 and 475,912.84 is: 656,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,481.60 : 1,157,046.23 = 475,912.84 : x
  2. Step 2: Convert to fraction form
    838,481.60/1,157,046.23 = 475,912.84/x
  3. Step 3: Cross multiply
    838,481.60x = 1,157,046.23 × 475,912.84
  4. Step 4: Simplify right side
    838,481.60x = 550,653,155,627.76
  5. Step 5: Solve for x
    x = 550,653,155,627.76/838,481.60
  6. Step 6: Final answer
    x = 656,726.59

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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.