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Finding the Fourth Proportional to 446,126.64, 669,190.39 and 367,074.69

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Solution

The fourth proportional to 446,126.64, 669,190.39 and 367,074.69 is: 550,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,126.64 : 669,190.39 = 367,074.69 : x
  2. Step 2: Convert to fraction form
    446,126.64/669,190.39 = 367,074.69/x
  3. Step 3: Cross multiply
    446,126.64x = 669,190.39 × 367,074.69
  4. Step 4: Simplify right side
    446,126.64x = 245,642,854,960.23
  5. Step 5: Solve for x
    x = 245,642,854,960.23/446,126.64
  6. Step 6: Final answer
    x = 550,612.39

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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.