Home / 643,025.16-964,340.70-444,620.52

Finding the Fourth Proportional to 643,025.16, 964,340.70 and 444,620.52

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Solution

The fourth proportional to 643,025.16, 964,340.70 and 444,620.52 is: 666,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,025.16 : 964,340.70 = 444,620.52 : x
  2. Step 2: Convert to fraction form
    643,025.16/964,340.70 = 444,620.52/x
  3. Step 3: Cross multiply
    643,025.16x = 964,340.70 × 444,620.52
  4. Step 4: Simplify right side
    643,025.16x = 428,765,663,491.16
  5. Step 5: Solve for x
    x = 428,765,663,491.16/643,025.16
  6. Step 6: Final answer
    x = 666,794.54

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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.