Home / 526,650.58-789,595.17-312,911.56

Finding the Fourth Proportional to 526,650.58, 789,595.17 and 312,911.56

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Solution

The fourth proportional to 526,650.58, 789,595.17 and 312,911.56 is: 469,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,650.58 : 789,595.17 = 312,911.56 : x
  2. Step 2: Convert to fraction form
    526,650.58/789,595.17 = 312,911.56/x
  3. Step 3: Cross multiply
    526,650.58x = 789,595.17 × 312,911.56
  4. Step 4: Simplify right side
    526,650.58x = 247,073,456,413.17
  5. Step 5: Solve for x
    x = 247,073,456,413.17/526,650.58
  6. Step 6: Final answer
    x = 469,141.15

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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.