Home / 772,402.50-1,158,778.98-273,766.50

Finding the Fourth Proportional to 772,402.50, 1,158,778.98 and 273,766.50

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Solution

The fourth proportional to 772,402.50, 1,158,778.98 and 273,766.50 is: 410,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,402.50 : 1,158,778.98 = 273,766.50 : x
  2. Step 2: Convert to fraction form
    772,402.50/1,158,778.98 = 273,766.50/x
  3. Step 3: Cross multiply
    772,402.50x = 1,158,778.98 × 273,766.50
  4. Step 4: Simplify right side
    772,402.50x = 317,234,865,628.17
  5. Step 5: Solve for x
    x = 317,234,865,628.17/772,402.50
  6. Step 6: Final answer
    x = 410,711.86

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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.