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Finding the Fourth Proportional to 510,185.80, 764,357.10 and 451,203.40

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Solution

The fourth proportional to 510,185.80, 764,357.10 and 451,203.40 is: 675,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,185.80 : 764,357.10 = 451,203.40 : x
  2. Step 2: Convert to fraction form
    510,185.80/764,357.10 = 451,203.40/x
  3. Step 3: Cross multiply
    510,185.80x = 764,357.10 × 451,203.40
  4. Step 4: Simplify right side
    510,185.80x = 344,880,522,334.14
  5. Step 5: Solve for x
    x = 344,880,522,334.14/510,185.80
  6. Step 6: Final answer
    x = 675,990.05

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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.