Home / 789,343.89-1,183,721.95-283,766.90

Finding the Fourth Proportional to 789,343.89, 1,183,721.95 and 283,766.90

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Solution

The fourth proportional to 789,343.89, 1,183,721.95 and 283,766.90 is: 425,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,343.89 : 1,183,721.95 = 283,766.90 : x
  2. Step 2: Convert to fraction form
    789,343.89/1,183,721.95 = 283,766.90/x
  3. Step 3: Cross multiply
    789,343.89x = 1,183,721.95 × 283,766.90
  4. Step 4: Simplify right side
    789,343.89x = 335,901,102,649.55
  5. Step 5: Solve for x
    x = 335,901,102,649.55/789,343.89
  6. Step 6: Final answer
    x = 425,544.69

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Double scale
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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.