Home / 682,947.40-1,025,004.30-304,450.60

Finding the Fourth Proportional to 682,947.40, 1,025,004.30 and 304,450.60

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Solution

The fourth proportional to 682,947.40, 1,025,004.30 and 304,450.60 is: 456,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,947.40 : 1,025,004.30 = 304,450.60 : x
  2. Step 2: Convert to fraction form
    682,947.40/1,025,004.30 = 304,450.60/x
  3. Step 3: Cross multiply
    682,947.40x = 1,025,004.30 × 304,450.60
  4. Step 4: Simplify right side
    682,947.40x = 312,063,174,137.58
  5. Step 5: Solve for x
    x = 312,063,174,137.58/682,947.40
  6. Step 6: Final answer
    x = 456,935.88

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1.5x scale

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.