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Finding the Fourth Proportional to 446,570.40, 669,844.80 and 268,942.80

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Solution

The fourth proportional to 446,570.40, 669,844.80 and 268,942.80 is: 403,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,570.40 : 669,844.80 = 268,942.80 : x
  2. Step 2: Convert to fraction form
    446,570.40/669,844.80 = 268,942.80/x
  3. Step 3: Cross multiply
    446,570.40x = 669,844.80 × 268,942.80
  4. Step 4: Simplify right side
    446,570.40x = 180,149,936,077.44
  5. Step 5: Solve for x
    x = 180,149,936,077.44/446,570.40
  6. Step 6: Final answer
    x = 403,407.70

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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.