Home / 403,817.33-557,260.71-220,057.52

Finding the Fourth Proportional to 403,817.33, 557,260.71 and 220,057.52

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Solution

The fourth proportional to 403,817.33, 557,260.71 and 220,057.52 is: 303,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,817.33 : 557,260.71 = 220,057.52 : x
  2. Step 2: Convert to fraction form
    403,817.33/557,260.71 = 220,057.52/x
  3. Step 3: Cross multiply
    403,817.33x = 557,260.71 × 220,057.52
  4. Step 4: Simplify right side
    403,817.33x = 122,629,407,049.74
  5. Step 5: Solve for x
    x = 122,629,407,049.74/403,817.33
  6. Step 6: Final answer
    x = 303,675.45

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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.