Home / 788,013.60-1,182,122.55-361,446.54

Finding the Fourth Proportional to 788,013.60, 1,182,122.55 and 361,446.54

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Solution

The fourth proportional to 788,013.60, 1,182,122.55 and 361,446.54 is: 542,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,013.60 : 1,182,122.55 = 361,446.54 : x
  2. Step 2: Convert to fraction form
    788,013.60/1,182,122.55 = 361,446.54/x
  3. Step 3: Cross multiply
    788,013.60x = 1,182,122.55 × 361,446.54
  4. Step 4: Simplify right side
    788,013.60x = 427,274,105,553.48
  5. Step 5: Solve for x
    x = 427,274,105,553.48/788,013.60
  6. Step 6: Final answer
    x = 542,216.66

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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.