Home / 809,427.58-1,117,011.66-446,851.90

Finding the Fourth Proportional to 809,427.58, 1,117,011.66 and 446,851.90

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Solution

The fourth proportional to 809,427.58, 1,117,011.66 and 446,851.90 is: 616,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,427.58 : 1,117,011.66 = 446,851.90 : x
  2. Step 2: Convert to fraction form
    809,427.58/1,117,011.66 = 446,851.90/x
  3. Step 3: Cross multiply
    809,427.58x = 1,117,011.66 × 446,851.90
  4. Step 4: Simplify right side
    809,427.58x = 499,138,782,593.15
  5. Step 5: Solve for x
    x = 499,138,782,593.15/809,427.58
  6. Step 6: Final answer
    x = 616,656.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.