Home / 404,043.20-557,562.79-220,277.78

Finding the Fourth Proportional to 404,043.20, 557,562.79 and 220,277.78

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Solution

The fourth proportional to 404,043.20, 557,562.79 and 220,277.78 is: 303,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,043.20 : 557,562.79 = 220,277.78 : x
  2. Step 2: Convert to fraction form
    404,043.20/557,562.79 = 220,277.78/x
  3. Step 3: Cross multiply
    404,043.20x = 557,562.79 × 220,277.78
  4. Step 4: Simplify right side
    404,043.20x = 122,818,693,591.81
  5. Step 5: Solve for x
    x = 122,818,693,591.81/404,043.20
  6. Step 6: Final answer
    x = 303,974.16

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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.