Home / 643,004.46-964,309.69-444,599.82

Finding the Fourth Proportional to 643,004.46, 964,309.69 and 444,599.82

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Solution

The fourth proportional to 643,004.46, 964,309.69 and 444,599.82 is: 666,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,004.46 : 964,309.69 = 444,599.82 : x
  2. Step 2: Convert to fraction form
    643,004.46/964,309.69 = 444,599.82/x
  3. Step 3: Cross multiply
    643,004.46x = 964,309.69 × 444,599.82
  4. Step 4: Simplify right side
    643,004.46x = 428,731,914,598.26
  5. Step 5: Solve for x
    x = 428,731,914,598.26/643,004.46
  6. Step 6: Final answer
    x = 666,763.52

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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.