Home / 808,539.60-1,212,809.40-275,932.20

Finding the Fourth Proportional to 808,539.60, 1,212,809.40 and 275,932.20

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Solution

The fourth proportional to 808,539.60, 1,212,809.40 and 275,932.20 is: 413,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,539.60 : 1,212,809.40 = 275,932.20 : x
  2. Step 2: Convert to fraction form
    808,539.60/1,212,809.40 = 275,932.20/x
  3. Step 3: Cross multiply
    808,539.60x = 1,212,809.40 × 275,932.20
  4. Step 4: Simplify right side
    808,539.60x = 334,653,165,922.68
  5. Step 5: Solve for x
    x = 334,653,165,922.68/808,539.60
  6. Step 6: Final answer
    x = 413,898.30

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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.