Home / 664,260.48-996,380.16-309,075.84

Finding the Fourth Proportional to 664,260.48, 996,380.16 and 309,075.84

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Solution

The fourth proportional to 664,260.48, 996,380.16 and 309,075.84 is: 463,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,260.48 : 996,380.16 = 309,075.84 : x
  2. Step 2: Convert to fraction form
    664,260.48/996,380.16 = 309,075.84/x
  3. Step 3: Cross multiply
    664,260.48x = 996,380.16 × 309,075.84
  4. Step 4: Simplify right side
    664,260.48x = 307,957,034,911.33
  5. Step 5: Solve for x
    x = 307,957,034,911.33/664,260.48
  6. Step 6: Final answer
    x = 463,608.85

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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.