Home / 449,861.04-620,796.36-245,912.40

Finding the Fourth Proportional to 449,861.04, 620,796.36 and 245,912.40

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Solution

The fourth proportional to 449,861.04, 620,796.36 and 245,912.40 is: 339,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,861.04 : 620,796.36 = 245,912.40 : x
  2. Step 2: Convert to fraction form
    449,861.04/620,796.36 = 245,912.40/x
  3. Step 3: Cross multiply
    449,861.04x = 620,796.36 × 245,912.40
  4. Step 4: Simplify right side
    449,861.04x = 152,661,522,798.86
  5. Step 5: Solve for x
    x = 152,661,522,798.86/449,861.04
  6. Step 6: Final answer
    x = 339,352.62

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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.