Home / 449,877.74-620,831.33-245,929.57

Finding the Fourth Proportional to 449,877.74, 620,831.33 and 245,929.57

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Solution

The fourth proportional to 449,877.74, 620,831.33 and 245,929.57 is: 339,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,877.74 : 620,831.33 = 245,929.57 : x
  2. Step 2: Convert to fraction form
    449,877.74/620,831.33 = 245,929.57/x
  3. Step 3: Cross multiply
    449,877.74x = 620,831.33 × 245,929.57
  4. Step 4: Simplify right side
    449,877.74x = 152,680,781,575.82
  5. Step 5: Solve for x
    x = 152,680,781,575.82/449,877.74
  6. Step 6: Final answer
    x = 339,382.83

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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.