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Finding the Fourth Proportional to 449,969.60, 674,954.40 and 446,859.20

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Solution

The fourth proportional to 449,969.60, 674,954.40 and 446,859.20 is: 670,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,969.60 : 674,954.40 = 446,859.20 : x
  2. Step 2: Convert to fraction form
    449,969.60/674,954.40 = 446,859.20/x
  3. Step 3: Cross multiply
    449,969.60x = 674,954.40 × 446,859.20
  4. Step 4: Simplify right side
    449,969.60x = 301,609,583,220.48
  5. Step 5: Solve for x
    x = 301,609,583,220.48/449,969.60
  6. Step 6: Final answer
    x = 670,288.80

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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.