Home / 510,003.90-764,489.34-256,518.36

Finding the Fourth Proportional to 510,003.90, 764,489.34 and 256,518.36

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Solution

The fourth proportional to 510,003.90, 764,489.34 and 256,518.36 is: 384,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,003.90 : 764,489.34 = 256,518.36 : x
  2. Step 2: Convert to fraction form
    510,003.90/764,489.34 = 256,518.36/x
  3. Step 3: Cross multiply
    510,003.90x = 764,489.34 × 256,518.36
  4. Step 4: Simplify right side
    510,003.90x = 196,105,551,734.28
  5. Step 5: Solve for x
    x = 196,105,551,734.28/510,003.90
  6. Step 6: Final answer
    x = 384,517.75

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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.