Home / 684,291.60-1,027,603.80-486,003.60

Finding the Fourth Proportional to 684,291.60, 1,027,603.80 and 486,003.60

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Solution

The fourth proportional to 684,291.60, 1,027,603.80 and 486,003.60 is: 729,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,291.60 : 1,027,603.80 = 486,003.60 : x
  2. Step 2: Convert to fraction form
    684,291.60/1,027,603.80 = 486,003.60/x
  3. Step 3: Cross multiply
    684,291.60x = 1,027,603.80 × 486,003.60
  4. Step 4: Simplify right side
    684,291.60x = 499,419,146,173.68
  5. Step 5: Solve for x
    x = 499,419,146,173.68/684,291.60
  6. Step 6: Final answer
    x = 729,833.81

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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.