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Finding the Fourth Proportional to 512,457.60, 766,612.80 and 450,249.60

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Solution

The fourth proportional to 512,457.60, 766,612.80 and 450,249.60 is: 673,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,457.60 : 766,612.80 = 450,249.60 : x
  2. Step 2: Convert to fraction form
    512,457.60/766,612.80 = 450,249.60/x
  3. Step 3: Cross multiply
    512,457.60x = 766,612.80 × 450,249.60
  4. Step 4: Simplify right side
    512,457.60x = 345,167,106,554.88
  5. Step 5: Solve for x
    x = 345,167,106,554.88/512,457.60
  6. Step 6: Final answer
    x = 673,552.52

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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.