Home / 809,302.12-1,116,836.76-446,725.89

Finding the Fourth Proportional to 809,302.12, 1,116,836.76 and 446,725.89

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Solution

The fourth proportional to 809,302.12, 1,116,836.76 and 446,725.89 is: 616,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,302.12 : 1,116,836.76 = 446,725.89 : x
  2. Step 2: Convert to fraction form
    809,302.12/1,116,836.76 = 446,725.89/x
  3. Step 3: Cross multiply
    809,302.12x = 1,116,836.76 × 446,725.89
  4. Step 4: Simplify right side
    809,302.12x = 498,919,887,777.90
  5. Step 5: Solve for x
    x = 498,919,887,777.90/809,302.12
  6. Step 6: Final answer
    x = 616,481.63

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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.