Home / 884,067.80-1,326,101.70-219,219.80

Finding the Fourth Proportional to 884,067.80, 1,326,101.70 and 219,219.80

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Solution

The fourth proportional to 884,067.80, 1,326,101.70 and 219,219.80 is: 328,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,067.80 : 1,326,101.70 = 219,219.80 : x
  2. Step 2: Convert to fraction form
    884,067.80/1,326,101.70 = 219,219.80/x
  3. Step 3: Cross multiply
    884,067.80x = 1,326,101.70 × 219,219.80
  4. Step 4: Simplify right side
    884,067.80x = 290,707,749,453.66
  5. Step 5: Solve for x
    x = 290,707,749,453.66/884,067.80
  6. Step 6: Final answer
    x = 328,829.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.