Home / 760,912.11-1,141,098.92-221,056.06

Finding the Fourth Proportional to 760,912.11, 1,141,098.92 and 221,056.06

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Solution

The fourth proportional to 760,912.11, 1,141,098.92 and 221,056.06 is: 331,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,912.11 : 1,141,098.92 = 221,056.06 : x
  2. Step 2: Convert to fraction form
    760,912.11/1,141,098.92 = 221,056.06/x
  3. Step 3: Cross multiply
    760,912.11x = 1,141,098.92 × 221,056.06
  4. Step 4: Simplify right side
    760,912.11x = 252,246,833,304.47
  5. Step 5: Solve for x
    x = 252,246,833,304.47/760,912.11
  6. Step 6: Final answer
    x = 331,505.87

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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.