Home / 404,044.80-557,567.28-220,279.44

Finding the Fourth Proportional to 404,044.80, 557,567.28 and 220,279.44

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Solution

The fourth proportional to 404,044.80, 557,567.28 and 220,279.44 is: 303,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,044.80 : 557,567.28 = 220,279.44 : x
  2. Step 2: Convert to fraction form
    404,044.80/557,567.28 = 220,279.44/x
  3. Step 3: Cross multiply
    404,044.80x = 557,567.28 × 220,279.44
  4. Step 4: Simplify right side
    404,044.80x = 122,820,608,200.72
  5. Step 5: Solve for x
    x = 122,820,608,200.72/404,044.80
  6. Step 6: Final answer
    x = 303,977.70

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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.