Home / 683,889.87-1,024,993.93-383,739.92

Finding the Fourth Proportional to 683,889.87, 1,024,993.93 and 383,739.92

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Solution

The fourth proportional to 683,889.87, 1,024,993.93 and 383,739.92 is: 575,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,889.87 : 1,024,993.93 = 383,739.92 : x
  2. Step 2: Convert to fraction form
    683,889.87/1,024,993.93 = 383,739.92/x
  3. Step 3: Cross multiply
    683,889.87x = 1,024,993.93 × 383,739.92
  4. Step 4: Simplify right side
    683,889.87x = 393,331,088,698.69
  5. Step 5: Solve for x
    x = 393,331,088,698.69/683,889.87
  6. Step 6: Final answer
    x = 575,138.05

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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.