Home / 465,621.57-698,284.74-199,310.58

Finding the Fourth Proportional to 465,621.57, 698,284.74 and 199,310.58

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Solution

The fourth proportional to 465,621.57, 698,284.74 and 199,310.58 is: 298,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,621.57 : 698,284.74 = 199,310.58 : x
  2. Step 2: Convert to fraction form
    465,621.57/698,284.74 = 199,310.58/x
  3. Step 3: Cross multiply
    465,621.57x = 698,284.74 × 199,310.58
  4. Step 4: Simplify right side
    465,621.57x = 139,175,536,534.55
  5. Step 5: Solve for x
    x = 139,175,536,534.55/465,621.57
  6. Step 6: Final answer
    x = 298,902.68

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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.