Home / 884,131.20-1,326,196.80-285,111.90

Finding the Fourth Proportional to 884,131.20, 1,326,196.80 and 285,111.90

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Solution

The fourth proportional to 884,131.20, 1,326,196.80 and 285,111.90 is: 427,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,131.20 : 1,326,196.80 = 285,111.90 : x
  2. Step 2: Convert to fraction form
    884,131.20/1,326,196.80 = 285,111.90/x
  3. Step 3: Cross multiply
    884,131.20x = 1,326,196.80 × 285,111.90
  4. Step 4: Simplify right side
    884,131.20x = 378,114,489,421.92
  5. Step 5: Solve for x
    x = 378,114,489,421.92/884,131.20
  6. Step 6: Final answer
    x = 427,667.85

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Similar ratio
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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.