Home / 1,099,700.88-1,649,550.12-300,989.04

Finding the Fourth Proportional to 1,099,700.88, 1,649,550.12 and 300,989.04

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Solution

The fourth proportional to 1,099,700.88, 1,649,550.12 and 300,989.04 is: 451,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,700.88 : 1,649,550.12 = 300,989.04 : x
  2. Step 2: Convert to fraction form
    1,099,700.88/1,649,550.12 = 300,989.04/x
  3. Step 3: Cross multiply
    1,099,700.88x = 1,649,550.12 × 300,989.04
  4. Step 4: Simplify right side
    1,099,700.88x = 496,496,507,050.69
  5. Step 5: Solve for x
    x = 496,496,507,050.69/1,099,700.88
  6. Step 6: Final answer
    x = 451,483.23

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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.