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Finding the Fourth Proportional to 406,561.96, 608,518.14 and 367,762.60

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Solution

The fourth proportional to 406,561.96, 608,518.14 and 367,762.60 is: 550,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,561.96 : 608,518.14 = 367,762.60 : x
  2. Step 2: Convert to fraction form
    406,561.96/608,518.14 = 367,762.60/x
  3. Step 3: Cross multiply
    406,561.96x = 608,518.14 × 367,762.60
  4. Step 4: Simplify right side
    406,561.96x = 223,790,213,313.56
  5. Step 5: Solve for x
    x = 223,790,213,313.56/406,561.96
  6. Step 6: Final answer
    x = 550,445.53

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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.