Home / 887,475.59-1,331,213.32-213,556.96

Finding the Fourth Proportional to 887,475.59, 1,331,213.32 and 213,556.96

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Solution

The fourth proportional to 887,475.59, 1,331,213.32 and 213,556.96 is: 320,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,475.59 : 1,331,213.32 = 213,556.96 : x
  2. Step 2: Convert to fraction form
    887,475.59/1,331,213.32 = 213,556.96/x
  3. Step 3: Cross multiply
    887,475.59x = 1,331,213.32 × 213,556.96
  4. Step 4: Simplify right side
    887,475.59x = 284,289,862,006.86
  5. Step 5: Solve for x
    x = 284,289,862,006.86/887,475.59
  6. Step 6: Final answer
    x = 320,335.42

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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.