Home / 449,831.18-620,766.51-245,883.44

Finding the Fourth Proportional to 449,831.18, 620,766.51 and 245,883.44

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Solution

The fourth proportional to 449,831.18, 620,766.51 and 245,883.44 is: 339,318.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,831.18 : 620,766.51 = 245,883.44 : x
  2. Step 2: Convert to fraction form
    449,831.18/620,766.51 = 245,883.44/x
  3. Step 3: Cross multiply
    449,831.18x = 620,766.51 × 245,883.44
  4. Step 4: Simplify right side
    449,831.18x = 152,636,204,915.59
  5. Step 5: Solve for x
    x = 152,636,204,915.59/449,831.18
  6. Step 6: Final answer
    x = 339,318.86

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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.