Home / 743,510.26-1,114,638.32-322,469.02

Finding the Fourth Proportional to 743,510.26, 1,114,638.32 and 322,469.02

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Solution

The fourth proportional to 743,510.26, 1,114,638.32 and 322,469.02 is: 483,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,510.26 : 1,114,638.32 = 322,469.02 : x
  2. Step 2: Convert to fraction form
    743,510.26/1,114,638.32 = 322,469.02/x
  3. Step 3: Cross multiply
    743,510.26x = 1,114,638.32 × 322,469.02
  4. Step 4: Simplify right side
    743,510.26x = 359,436,326,704.85
  5. Step 5: Solve for x
    x = 359,436,326,704.85/743,510.26
  6. Step 6: Final answer
    x = 483,431.56

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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.