Home / 578,540.60-867,810.90-298,604.60

Finding the Fourth Proportional to 578,540.60, 867,810.90 and 298,604.60

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Solution

The fourth proportional to 578,540.60, 867,810.90 and 298,604.60 is: 447,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,540.60 : 867,810.90 = 298,604.60 : x
  2. Step 2: Convert to fraction form
    578,540.60/867,810.90 = 298,604.60/x
  3. Step 3: Cross multiply
    578,540.60x = 867,810.90 × 298,604.60
  4. Step 4: Simplify right side
    578,540.60x = 259,132,326,670.14
  5. Step 5: Solve for x
    x = 259,132,326,670.14/578,540.60
  6. Step 6: Final answer
    x = 447,906.90

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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.