Home / 887,475.33-1,331,212.95-213,556.70

Finding the Fourth Proportional to 887,475.33, 1,331,212.95 and 213,556.70

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Solution

The fourth proportional to 887,475.33, 1,331,212.95 and 213,556.70 is: 320,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,475.33 : 1,331,212.95 = 213,556.70 : x
  2. Step 2: Convert to fraction form
    887,475.33/1,331,212.95 = 213,556.70/x
  3. Step 3: Cross multiply
    887,475.33x = 1,331,212.95 × 213,556.70
  4. Step 4: Simplify right side
    887,475.33x = 284,289,444,599.27
  5. Step 5: Solve for x
    x = 284,289,444,599.27/887,475.33
  6. Step 6: Final answer
    x = 320,335.04

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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.