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Finding the Fourth Proportional to 453,906.21, 680,859.50 and 453,250.29

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Solution

The fourth proportional to 453,906.21, 680,859.50 and 453,250.29 is: 679,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,906.21 : 680,859.50 = 453,250.29 : x
  2. Step 2: Convert to fraction form
    453,906.21/680,859.50 = 453,250.29/x
  3. Step 3: Cross multiply
    453,906.21x = 680,859.50 × 453,250.29
  4. Step 4: Simplify right side
    453,906.21x = 308,599,763,558.00
  5. Step 5: Solve for x
    x = 308,599,763,558.00/453,906.21
  6. Step 6: Final answer
    x = 679,875.61

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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.