Home / 681,529.52-1,021,769.40-326,360.72

Finding the Fourth Proportional to 681,529.52, 1,021,769.40 and 326,360.72

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Solution

The fourth proportional to 681,529.52, 1,021,769.40 and 326,360.72 is: 489,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,529.52 : 1,021,769.40 = 326,360.72 : x
  2. Step 2: Convert to fraction form
    681,529.52/1,021,769.40 = 326,360.72/x
  3. Step 3: Cross multiply
    681,529.52x = 1,021,769.40 × 326,360.72
  4. Step 4: Simplify right side
    681,529.52x = 333,465,397,057.97
  5. Step 5: Solve for x
    x = 333,465,397,057.97/681,529.52
  6. Step 6: Final answer
    x = 489,289.73

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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.