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Finding the Fourth Proportional to 446,781.60, 670,204.80 and 268,905.60

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Solution

The fourth proportional to 446,781.60, 670,204.80 and 268,905.60 is: 403,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,781.60 : 670,204.80 = 268,905.60 : x
  2. Step 2: Convert to fraction form
    446,781.60/670,204.80 = 268,905.60/x
  3. Step 3: Cross multiply
    446,781.60x = 670,204.80 × 268,905.60
  4. Step 4: Simplify right side
    446,781.60x = 180,221,823,866.88
  5. Step 5: Solve for x
    x = 180,221,823,866.88/446,781.60
  6. Step 6: Final answer
    x = 403,377.90

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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.