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Finding the Fourth Proportional to 512,824.60, 767,487.30 and 512,824.60

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Solution

The fourth proportional to 512,824.60, 767,487.30 and 512,824.60 is: 767,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,824.60 : 767,487.30 = 512,824.60 : x
  2. Step 2: Convert to fraction form
    512,824.60/767,487.30 = 512,824.60/x
  3. Step 3: Cross multiply
    512,824.60x = 767,487.30 × 512,824.60
  4. Step 4: Simplify right side
    512,824.60x = 393,586,367,627.58
  5. Step 5: Solve for x
    x = 393,586,367,627.58/512,824.60
  6. Step 6: Final answer
    x = 767,487.30

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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.