Home / 887,316.73-1,331,199.61-247,620.39

Finding the Fourth Proportional to 887,316.73, 1,331,199.61 and 247,620.39

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Solution

The fourth proportional to 887,316.73, 1,331,199.61 and 247,620.39 is: 371,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,316.73 : 1,331,199.61 = 247,620.39 : x
  2. Step 2: Convert to fraction form
    887,316.73/1,331,199.61 = 247,620.39/x
  3. Step 3: Cross multiply
    887,316.73x = 1,331,199.61 × 247,620.39
  4. Step 4: Simplify right side
    887,316.73x = 329,632,169,865.86
  5. Step 5: Solve for x
    x = 329,632,169,865.86/887,316.73
  6. Step 6: Final answer
    x = 371,493.24

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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.