Home / 658,299.47-987,584.54-298,297.40

Finding the Fourth Proportional to 658,299.47, 987,584.54 and 298,297.40

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Solution

The fourth proportional to 658,299.47, 987,584.54 and 298,297.40 is: 447,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,299.47 : 987,584.54 = 298,297.40 : x
  2. Step 2: Convert to fraction form
    658,299.47/987,584.54 = 298,297.40/x
  3. Step 3: Cross multiply
    658,299.47x = 987,584.54 × 298,297.40
  4. Step 4: Simplify right side
    658,299.47x = 294,593,894,132.79
  5. Step 5: Solve for x
    x = 294,593,894,132.79/658,299.47
  6. Step 6: Final answer
    x = 447,507.42

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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.