Home / 809,302.04-1,116,836.65-446,725.81

Finding the Fourth Proportional to 809,302.04, 1,116,836.65 and 446,725.81

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Solution

The fourth proportional to 809,302.04, 1,116,836.65 and 446,725.81 is: 616,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,302.04 : 1,116,836.65 = 446,725.81 : x
  2. Step 2: Convert to fraction form
    809,302.04/1,116,836.65 = 446,725.81/x
  3. Step 3: Cross multiply
    809,302.04x = 1,116,836.65 × 446,725.81
  4. Step 4: Simplify right side
    809,302.04x = 498,919,757,108.94
  5. Step 5: Solve for x
    x = 498,919,757,108.94/809,302.04
  6. Step 6: Final answer
    x = 616,481.53

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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.