Home / 684,327.40-1,027,074.30-305,830.60

Finding the Fourth Proportional to 684,327.40, 1,027,074.30 and 305,830.60

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Solution

The fourth proportional to 684,327.40, 1,027,074.30 and 305,830.60 is: 459,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,327.40 : 1,027,074.30 = 305,830.60 : x
  2. Step 2: Convert to fraction form
    684,327.40/1,027,074.30 = 305,830.60/x
  3. Step 3: Cross multiply
    684,327.40x = 1,027,074.30 × 305,830.60
  4. Step 4: Simplify right side
    684,327.40x = 314,110,749,413.58
  5. Step 5: Solve for x
    x = 314,110,749,413.58/684,327.40
  6. Step 6: Final answer
    x = 459,006.54

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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.