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Finding the Fourth Proportional to 512,416.60, 766,551.30 and 450,208.60

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Solution

The fourth proportional to 512,416.60, 766,551.30 and 450,208.60 is: 673,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,416.60 : 766,551.30 = 450,208.60 : x
  2. Step 2: Convert to fraction form
    512,416.60/766,551.30 = 450,208.60/x
  3. Step 3: Cross multiply
    512,416.60x = 766,551.30 × 450,208.60
  4. Step 4: Simplify right side
    512,416.60x = 345,107,987,601.18
  5. Step 5: Solve for x
    x = 345,107,987,601.18/512,416.60
  6. Step 6: Final answer
    x = 673,491.04

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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.