Home / 969,090.12-1,453,520.69-259,173.18

Finding the Fourth Proportional to 969,090.12, 1,453,520.69 and 259,173.18

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Solution

The fourth proportional to 969,090.12, 1,453,520.69 and 259,173.18 is: 388,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,090.12 : 1,453,520.69 = 259,173.18 : x
  2. Step 2: Convert to fraction form
    969,090.12/1,453,520.69 = 259,173.18/x
  3. Step 3: Cross multiply
    969,090.12x = 1,453,520.69 × 259,173.18
  4. Step 4: Simplify right side
    969,090.12x = 376,713,579,423.09
  5. Step 5: Solve for x
    x = 376,713,579,423.09/969,090.12
  6. Step 6: Final answer
    x = 388,729.15

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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.