Home / 809,470.33-1,117,106.45-446,945.65

Finding the Fourth Proportional to 809,470.33, 1,117,106.45 and 446,945.65

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Solution

The fourth proportional to 809,470.33, 1,117,106.45 and 446,945.65 is: 616,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,470.33 : 1,117,106.45 = 446,945.65 : x
  2. Step 2: Convert to fraction form
    809,470.33/1,117,106.45 = 446,945.65/x
  3. Step 3: Cross multiply
    809,470.33x = 1,117,106.45 × 446,945.65
  4. Step 4: Simplify right side
    809,470.33x = 499,285,868,414.44
  5. Step 5: Solve for x
    x = 499,285,868,414.44/809,470.33
  6. Step 6: Final answer
    x = 616,805.64

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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.