Home / 808,359.60-1,212,539.40-276,481.20

Finding the Fourth Proportional to 808,359.60, 1,212,539.40 and 276,481.20

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Solution

The fourth proportional to 808,359.60, 1,212,539.40 and 276,481.20 is: 414,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,359.60 : 1,212,539.40 = 276,481.20 : x
  2. Step 2: Convert to fraction form
    808,359.60/1,212,539.40 = 276,481.20/x
  3. Step 3: Cross multiply
    808,359.60x = 1,212,539.40 × 276,481.20
  4. Step 4: Simplify right side
    808,359.60x = 335,244,348,359.28
  5. Step 5: Solve for x
    x = 335,244,348,359.28/808,359.60
  6. Step 6: Final answer
    x = 414,721.80

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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.