Home / 884,165.78-1,326,507.42-285,114.90

Finding the Fourth Proportional to 884,165.78, 1,326,507.42 and 285,114.90

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Solution

The fourth proportional to 884,165.78, 1,326,507.42 and 285,114.90 is: 427,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,165.78 : 1,326,507.42 = 285,114.90 : x
  2. Step 2: Convert to fraction form
    884,165.78/1,326,507.42 = 285,114.90/x
  3. Step 3: Cross multiply
    884,165.78x = 1,326,507.42 × 285,114.90
  4. Step 4: Simplify right side
    884,165.78x = 378,207,030,402.56
  5. Step 5: Solve for x
    x = 378,207,030,402.56/884,165.78
  6. Step 6: Final answer
    x = 427,755.79

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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.