Home / 868,311.35-1,302,348.79-228,561.54

Finding the Fourth Proportional to 868,311.35, 1,302,348.79 and 228,561.54

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Solution

The fourth proportional to 868,311.35, 1,302,348.79 and 228,561.54 is: 342,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,311.35 : 1,302,348.79 = 228,561.54 : x
  2. Step 2: Convert to fraction form
    868,311.35/1,302,348.79 = 228,561.54/x
  3. Step 3: Cross multiply
    868,311.35x = 1,302,348.79 × 228,561.54
  4. Step 4: Simplify right side
    868,311.35x = 297,666,845,059.54
  5. Step 5: Solve for x
    x = 297,666,845,059.54/868,311.35
  6. Step 6: Final answer
    x = 342,811.19

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1.5x scale

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.