Home / 761,846.82-1,141,964.53-281,766.09

Finding the Fourth Proportional to 761,846.82, 1,141,964.53 and 281,766.09

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Solution

The fourth proportional to 761,846.82, 1,141,964.53 and 281,766.09 is: 422,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,846.82 : 1,141,964.53 = 281,766.09 : x
  2. Step 2: Convert to fraction form
    761,846.82/1,141,964.53 = 281,766.09/x
  3. Step 3: Cross multiply
    761,846.82x = 1,141,964.53 × 281,766.09
  4. Step 4: Simplify right side
    761,846.82x = 321,766,884,114.74
  5. Step 5: Solve for x
    x = 321,766,884,114.74/761,846.82
  6. Step 6: Final answer
    x = 422,351.16

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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.