Home / 658,724.81-987,324.59-302,992.25

Finding the Fourth Proportional to 658,724.81, 987,324.59 and 302,992.25

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Solution

The fourth proportional to 658,724.81, 987,324.59 and 302,992.25 is: 454,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,724.81 : 987,324.59 = 302,992.25 : x
  2. Step 2: Convert to fraction form
    658,724.81/987,324.59 = 302,992.25/x
  3. Step 3: Cross multiply
    658,724.81x = 987,324.59 × 302,992.25
  4. Step 4: Simplify right side
    658,724.81x = 299,151,694,825.29
  5. Step 5: Solve for x
    x = 299,151,694,825.29/658,724.81
  6. Step 6: Final answer
    x = 454,137.59

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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.