Home / 427,496.40-589,942.44-236,505.72

Finding the Fourth Proportional to 427,496.40, 589,942.44 and 236,505.72

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Solution

The fourth proportional to 427,496.40, 589,942.44 and 236,505.72 is: 326,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,496.40 : 589,942.44 = 236,505.72 : x
  2. Step 2: Convert to fraction form
    427,496.40/589,942.44 = 236,505.72/x
  3. Step 3: Cross multiply
    427,496.40x = 589,942.44 × 236,505.72
  4. Step 4: Simplify right side
    427,496.40x = 139,524,761,530.76
  5. Step 5: Solve for x
    x = 139,524,761,530.76/427,496.40
  6. Step 6: Final answer
    x = 326,376.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.