Home / 886,622.93-1,330,121.20-287,537.37

Finding the Fourth Proportional to 886,622.93, 1,330,121.20 and 287,537.37

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Solution

The fourth proportional to 886,622.93, 1,330,121.20 and 287,537.37 is: 431,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,622.93 : 1,330,121.20 = 287,537.37 : x
  2. Step 2: Convert to fraction form
    886,622.93/1,330,121.20 = 287,537.37/x
  3. Step 3: Cross multiply
    886,622.93x = 1,330,121.20 × 287,537.37
  4. Step 4: Simplify right side
    886,622.93x = 382,459,551,629.24
  5. Step 5: Solve for x
    x = 382,459,551,629.24/886,622.93
  6. Step 6: Final answer
    x = 431,366.64

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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.