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Finding the Fourth Proportional to 502,242, 693,093.96 and 275,887.50

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Solution

The fourth proportional to 502,242, 693,093.96 and 275,887.50 is: 380,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,242 : 693,093.96 = 275,887.50 : x
  2. Step 2: Convert to fraction form
    502,242/693,093.96 = 275,887.50/x
  3. Step 3: Cross multiply
    502,242x = 693,093.96 × 275,887.50
  4. Step 4: Simplify right side
    502,242x = 191,215,959,889.50
  5. Step 5: Solve for x
    x = 191,215,959,889.50/502,242
  6. Step 6: Final answer
    x = 380,724.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.