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Finding the Fourth Proportional to 509,993.46, 764,290.35 and 322,669.62

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Solution

The fourth proportional to 509,993.46, 764,290.35 and 322,669.62 is: 483,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,993.46 : 764,290.35 = 322,669.62 : x
  2. Step 2: Convert to fraction form
    509,993.46/764,290.35 = 322,669.62/x
  3. Step 3: Cross multiply
    509,993.46x = 764,290.35 × 322,669.62
  4. Step 4: Simplify right side
    509,993.46x = 246,613,276,804.17
  5. Step 5: Solve for x
    x = 246,613,276,804.17/509,993.46
  6. Step 6: Final answer
    x = 483,561.65

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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.