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Finding the Fourth Proportional to 510,708.36, 764,196.30 and 300,445.32

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Solution

The fourth proportional to 510,708.36, 764,196.30 and 300,445.32 is: 449,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,708.36 : 764,196.30 = 300,445.32 : x
  2. Step 2: Convert to fraction form
    510,708.36/764,196.30 = 300,445.32/x
  3. Step 3: Cross multiply
    510,708.36x = 764,196.30 × 300,445.32
  4. Step 4: Simplify right side
    510,708.36x = 229,599,201,896.32
  5. Step 5: Solve for x
    x = 229,599,201,896.32/510,708.36
  6. Step 6: Final answer
    x = 449,570.09

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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.