Home / 643,003.14-964,307.73-444,598.50

Finding the Fourth Proportional to 643,003.14, 964,307.73 and 444,598.50

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Solution

The fourth proportional to 643,003.14, 964,307.73 and 444,598.50 is: 666,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,003.14 : 964,307.73 = 444,598.50 : x
  2. Step 2: Convert to fraction form
    643,003.14/964,307.73 = 444,598.50/x
  3. Step 3: Cross multiply
    643,003.14x = 964,307.73 × 444,598.50
  4. Step 4: Simplify right side
    643,003.14x = 428,729,770,296.41
  5. Step 5: Solve for x
    x = 428,729,770,296.41/643,003.14
  6. Step 6: Final answer
    x = 666,761.55

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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.