Home / 449,845.93-620,787.36-245,897.71

Finding the Fourth Proportional to 449,845.93, 620,787.36 and 245,897.71

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Solution

The fourth proportional to 449,845.93, 620,787.36 and 245,897.71 is: 339,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,845.93 : 620,787.36 = 245,897.71 : x
  2. Step 2: Convert to fraction form
    449,845.93/620,787.36 = 245,897.71/x
  3. Step 3: Cross multiply
    449,845.93x = 620,787.36 × 245,897.71
  4. Step 4: Simplify right side
    449,845.93x = 152,650,190,220.95
  5. Step 5: Solve for x
    x = 152,650,190,220.95/449,845.93
  6. Step 6: Final answer
    x = 339,338.83

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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.