Home / 809,392.75-1,116,932.69-446,808.81

Finding the Fourth Proportional to 809,392.75, 1,116,932.69 and 446,808.81

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Solution

The fourth proportional to 809,392.75, 1,116,932.69 and 446,808.81 is: 616,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,392.75 : 1,116,932.69 = 446,808.81 : x
  2. Step 2: Convert to fraction form
    809,392.75/1,116,932.69 = 446,808.81/x
  3. Step 3: Cross multiply
    809,392.75x = 1,116,932.69 × 446,808.81
  4. Step 4: Simplify right side
    809,392.75x = 499,055,365,091.77
  5. Step 5: Solve for x
    x = 499,055,365,091.77/809,392.75
  6. Step 6: Final answer
    x = 616,579.98

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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.