Home / 404,038.87-557,556.84-220,273.47

Finding the Fourth Proportional to 404,038.87, 557,556.84 and 220,273.47

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Solution

The fourth proportional to 404,038.87, 557,556.84 and 220,273.47 is: 303,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,038.87 : 557,556.84 = 220,273.47 : x
  2. Step 2: Convert to fraction form
    404,038.87/557,556.84 = 220,273.47/x
  3. Step 3: Cross multiply
    404,038.87x = 557,556.84 × 220,273.47
  4. Step 4: Simplify right side
    404,038.87x = 122,814,979,869.04
  5. Step 5: Solve for x
    x = 122,814,979,869.04/404,038.87
  6. Step 6: Final answer
    x = 303,968.23

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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.