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Finding the Fourth Proportional to 570,613.89, 788,267.37 and 455,741.73

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Solution

The fourth proportional to 570,613.89, 788,267.37 and 455,741.73 is: 629,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,613.89 : 788,267.37 = 455,741.73 : x
  2. Step 2: Convert to fraction form
    570,613.89/788,267.37 = 455,741.73/x
  3. Step 3: Cross multiply
    570,613.89x = 788,267.37 × 455,741.73
  4. Step 4: Simplify right side
    570,613.89x = 359,246,334,906.35
  5. Step 5: Solve for x
    x = 359,246,334,906.35/570,613.89
  6. Step 6: Final answer
    x = 629,578.67

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