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Finding the Fourth Proportional to 526,770.48, 788,604.60 and 326,447.04

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Solution

The fourth proportional to 526,770.48, 788,604.60 and 326,447.04 is: 488,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,770.48 : 788,604.60 = 326,447.04 : x
  2. Step 2: Convert to fraction form
    526,770.48/788,604.60 = 326,447.04/x
  3. Step 3: Cross multiply
    526,770.48x = 788,604.60 × 326,447.04
  4. Step 4: Simplify right side
    526,770.48x = 257,437,637,400.38
  5. Step 5: Solve for x
    x = 257,437,637,400.38/526,770.48
  6. Step 6: Final answer
    x = 488,709.31

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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.