Home / 447,451.20-670,909.07-303,533.87

Finding the Fourth Proportional to 447,451.20, 670,909.07 and 303,533.87

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Solution

The fourth proportional to 447,451.20, 670,909.07 and 303,533.87 is: 455,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,451.20 : 670,909.07 = 303,533.87 : x
  2. Step 2: Convert to fraction form
    447,451.20/670,909.07 = 303,533.87/x
  3. Step 3: Cross multiply
    447,451.20x = 670,909.07 × 303,533.87
  4. Step 4: Simplify right side
    447,451.20x = 203,643,623,080.66
  5. Step 5: Solve for x
    x = 203,643,623,080.66/447,451.20
  6. Step 6: Final answer
    x = 455,119.18

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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.