Home / 526,135.38-789,319.98-245,499.54

Finding the Fourth Proportional to 526,135.38, 789,319.98 and 245,499.54

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Solution

The fourth proportional to 526,135.38, 789,319.98 and 245,499.54 is: 368,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,135.38 : 789,319.98 = 245,499.54 : x
  2. Step 2: Convert to fraction form
    526,135.38/789,319.98 = 245,499.54/x
  3. Step 3: Cross multiply
    526,135.38x = 789,319.98 × 245,499.54
  4. Step 4: Simplify right side
    526,135.38x = 193,777,692,002.81
  5. Step 5: Solve for x
    x = 193,777,692,002.81/526,135.38
  6. Step 6: Final answer
    x = 368,303.86

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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.