Home / 426,912.89-589,141.62-233,324.51

Finding the Fourth Proportional to 426,912.89, 589,141.62 and 233,324.51

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Solution

The fourth proportional to 426,912.89, 589,141.62 and 233,324.51 is: 321,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,912.89 : 589,141.62 = 233,324.51 : x
  2. Step 2: Convert to fraction form
    426,912.89/589,141.62 = 233,324.51/x
  3. Step 3: Cross multiply
    426,912.89x = 589,141.62 × 233,324.51
  4. Step 4: Simplify right side
    426,912.89x = 137,461,176,861.40
  5. Step 5: Solve for x
    x = 137,461,176,861.40/426,912.89
  6. Step 6: Final answer
    x = 321,988.82

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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.