Home / 789,080.21-1,183,795.72-368,126.45

Finding the Fourth Proportional to 789,080.21, 1,183,795.72 and 368,126.45

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Solution

The fourth proportional to 789,080.21, 1,183,795.72 and 368,126.45 is: 552,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,080.21 : 1,183,795.72 = 368,126.45 : x
  2. Step 2: Convert to fraction form
    789,080.21/1,183,795.72 = 368,126.45/x
  3. Step 3: Cross multiply
    789,080.21x = 1,183,795.72 × 368,126.45
  4. Step 4: Simplify right side
    789,080.21x = 435,786,515,599.44
  5. Step 5: Solve for x
    x = 435,786,515,599.44/789,080.21
  6. Step 6: Final answer
    x = 552,271.51

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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.