Home / 663,230.76-995,039.91-213,941.64

Finding the Fourth Proportional to 663,230.76, 995,039.91 and 213,941.64

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Solution

The fourth proportional to 663,230.76, 995,039.91 and 213,941.64 is: 320,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,230.76 : 995,039.91 = 213,941.64 : x
  2. Step 2: Convert to fraction form
    663,230.76/995,039.91 = 213,941.64/x
  3. Step 3: Cross multiply
    663,230.76x = 995,039.91 × 213,941.64
  4. Step 4: Simplify right side
    663,230.76x = 212,880,470,210.85
  5. Step 5: Solve for x
    x = 212,880,470,210.85/663,230.76
  6. Step 6: Final answer
    x = 320,974.97

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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.