Home / 919,495.48-1,379,295.03-279,820.02

Finding the Fourth Proportional to 919,495.48, 1,379,295.03 and 279,820.02

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Solution

The fourth proportional to 919,495.48, 1,379,295.03 and 279,820.02 is: 419,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,495.48 : 1,379,295.03 = 279,820.02 : x
  2. Step 2: Convert to fraction form
    919,495.48/1,379,295.03 = 279,820.02/x
  3. Step 3: Cross multiply
    919,495.48x = 1,379,295.03 × 279,820.02
  4. Step 4: Simplify right side
    919,495.48x = 385,954,362,880.50
  5. Step 5: Solve for x
    x = 385,954,362,880.50/919,495.48
  6. Step 6: Final answer
    x = 419,745.80

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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.