Home / 886,629.14-1,330,130.46-287,543.55

Finding the Fourth Proportional to 886,629.14, 1,330,130.46 and 287,543.55

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Solution

The fourth proportional to 886,629.14, 1,330,130.46 and 287,543.55 is: 431,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,629.14 : 1,330,130.46 = 287,543.55 : x
  2. Step 2: Convert to fraction form
    886,629.14/1,330,130.46 = 287,543.55/x
  3. Step 3: Cross multiply
    886,629.14x = 1,330,130.46 × 287,543.55
  4. Step 4: Simplify right side
    886,629.14x = 382,470,440,497.81
  5. Step 5: Solve for x
    x = 382,470,440,497.81/886,629.14
  6. Step 6: Final answer
    x = 431,375.90

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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.