Home / 809,377.80-1,116,934.98-446,801.58

Finding the Fourth Proportional to 809,377.80, 1,116,934.98 and 446,801.58

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Solution

The fourth proportional to 809,377.80, 1,116,934.98 and 446,801.58 is: 616,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,377.80 : 1,116,934.98 = 446,801.58 : x
  2. Step 2: Convert to fraction form
    809,377.80/1,116,934.98 = 446,801.58/x
  3. Step 3: Cross multiply
    809,377.80x = 1,116,934.98 × 446,801.58
  4. Step 4: Simplify right side
    809,377.80x = 499,048,313,821.27
  5. Step 5: Solve for x
    x = 499,048,313,821.27/809,377.80
  6. Step 6: Final answer
    x = 616,582.66

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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.