Home / 684,320.40-1,027,063.80-305,823.60

Finding the Fourth Proportional to 684,320.40, 1,027,063.80 and 305,823.60

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Solution

The fourth proportional to 684,320.40, 1,027,063.80 and 305,823.60 is: 458,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,320.40 : 1,027,063.80 = 305,823.60 : x
  2. Step 2: Convert to fraction form
    684,320.40/1,027,063.80 = 305,823.60/x
  3. Step 3: Cross multiply
    684,320.40x = 1,027,063.80 × 305,823.60
  4. Step 4: Simplify right side
    684,320.40x = 314,100,348,745.68
  5. Step 5: Solve for x
    x = 314,100,348,745.68/684,320.40
  6. Step 6: Final answer
    x = 458,996.03

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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.