Home / 807,536.08-1,211,313.39-345,851.57

Finding the Fourth Proportional to 807,536.08, 1,211,313.39 and 345,851.57

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Solution

The fourth proportional to 807,536.08, 1,211,313.39 and 345,851.57 is: 518,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,536.08 : 1,211,313.39 = 345,851.57 : x
  2. Step 2: Convert to fraction form
    807,536.08/1,211,313.39 = 345,851.57/x
  3. Step 3: Cross multiply
    807,536.08x = 1,211,313.39 × 345,851.57
  4. Step 4: Simplify right side
    807,536.08x = 418,934,639,424.86
  5. Step 5: Solve for x
    x = 418,934,639,424.86/807,536.08
  6. Step 6: Final answer
    x = 518,781.33

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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.