Home / 743,611.21-1,026,198.66-404,101.33

Finding the Fourth Proportional to 743,611.21, 1,026,198.66 and 404,101.33

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Solution

The fourth proportional to 743,611.21, 1,026,198.66 and 404,101.33 is: 557,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,611.21 : 1,026,198.66 = 404,101.33 : x
  2. Step 2: Convert to fraction form
    743,611.21/1,026,198.66 = 404,101.33/x
  3. Step 3: Cross multiply
    743,611.21x = 1,026,198.66 × 404,101.33
  4. Step 4: Simplify right side
    743,611.21x = 414,688,243,350.22
  5. Step 5: Solve for x
    x = 414,688,243,350.22/743,611.21
  6. Step 6: Final answer
    x = 557,668.09

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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.