Home / 809,315.87-1,116,849.60-446,739.84

Finding the Fourth Proportional to 809,315.87, 1,116,849.60 and 446,739.84

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Solution

The fourth proportional to 809,315.87, 1,116,849.60 and 446,739.84 is: 616,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,315.87 : 1,116,849.60 = 446,739.84 : x
  2. Step 2: Convert to fraction form
    809,315.87/1,116,849.60 = 446,739.84/x
  3. Step 3: Cross multiply
    809,315.87x = 1,116,849.60 × 446,739.84
  4. Step 4: Simplify right side
    809,315.87x = 498,941,211,608.06
  5. Step 5: Solve for x
    x = 498,941,211,608.06/809,315.87
  6. Step 6: Final answer
    x = 616,497.51

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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.