Home / 809,320.04-1,116,857.78-446,740.73

Finding the Fourth Proportional to 809,320.04, 1,116,857.78 and 446,740.73

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Solution

The fourth proportional to 809,320.04, 1,116,857.78 and 446,740.73 is: 616,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,320.04 : 1,116,857.78 = 446,740.73 : x
  2. Step 2: Convert to fraction form
    809,320.04/1,116,857.78 = 446,740.73/x
  3. Step 3: Cross multiply
    809,320.04x = 1,116,857.78 × 446,740.73
  4. Step 4: Simplify right side
    809,320.04x = 498,945,857,988.88
  5. Step 5: Solve for x
    x = 498,945,857,988.88/809,320.04
  6. Step 6: Final answer
    x = 616,500.07

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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.