Home / 884,160.25-1,326,499.14-285,109.36

Finding the Fourth Proportional to 884,160.25, 1,326,499.14 and 285,109.36

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Solution

The fourth proportional to 884,160.25, 1,326,499.14 and 285,109.36 is: 427,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,160.25 : 1,326,499.14 = 285,109.36 : x
  2. Step 2: Convert to fraction form
    884,160.25/1,326,499.14 = 285,109.36/x
  3. Step 3: Cross multiply
    884,160.25x = 1,326,499.14 × 285,109.36
  4. Step 4: Simplify right side
    884,160.25x = 378,197,320,845.95
  5. Step 5: Solve for x
    x = 378,197,320,845.95/884,160.25
  6. Step 6: Final answer
    x = 427,747.48

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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.