Home / 809,504.86-1,117,118.31-446,929.42

Finding the Fourth Proportional to 809,504.86, 1,117,118.31 and 446,929.42

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Solution

The fourth proportional to 809,504.86, 1,117,118.31 and 446,929.42 is: 616,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,504.86 : 1,117,118.31 = 446,929.42 : x
  2. Step 2: Convert to fraction form
    809,504.86/1,117,118.31 = 446,929.42/x
  3. Step 3: Cross multiply
    809,504.86x = 1,117,118.31 × 446,929.42
  4. Step 4: Simplify right side
    809,504.86x = 499,273,038,359.68
  5. Step 5: Solve for x
    x = 499,273,038,359.68/809,504.86
  6. Step 6: Final answer
    x = 616,763.48

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1.5x scale

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.