Home / 761,808.29-1,141,906.77-281,727.62

Finding the Fourth Proportional to 761,808.29, 1,141,906.77 and 281,727.62

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Solution

The fourth proportional to 761,808.29, 1,141,906.77 and 281,727.62 is: 422,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,808.29 : 1,141,906.77 = 281,727.62 : x
  2. Step 2: Convert to fraction form
    761,808.29/1,141,906.77 = 281,727.62/x
  3. Step 3: Cross multiply
    761,808.29x = 1,141,906.77 × 281,727.62
  4. Step 4: Simplify right side
    761,808.29x = 321,706,676,573.99
  5. Step 5: Solve for x
    x = 321,706,676,573.99/761,808.29
  6. Step 6: Final answer
    x = 422,293.48

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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.