Home / 624,839.65-937,065.74-225,428.51

Finding the Fourth Proportional to 624,839.65, 937,065.74 and 225,428.51

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Solution

The fourth proportional to 624,839.65, 937,065.74 and 225,428.51 is: 338,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,839.65 : 937,065.74 = 225,428.51 : x
  2. Step 2: Convert to fraction form
    624,839.65/937,065.74 = 225,428.51/x
  3. Step 3: Cross multiply
    624,839.65x = 937,065.74 × 225,428.51
  4. Step 4: Simplify right side
    624,839.65x = 211,241,333,540.25
  5. Step 5: Solve for x
    x = 211,241,333,540.25/624,839.65
  6. Step 6: Final answer
    x = 338,072.87

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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.