Home / 643,014.94-964,325.41-444,610.30

Finding the Fourth Proportional to 643,014.94, 964,325.41 and 444,610.30

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Solution

The fourth proportional to 643,014.94, 964,325.41 and 444,610.30 is: 666,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,014.94 : 964,325.41 = 444,610.30 : x
  2. Step 2: Convert to fraction form
    643,014.94/964,325.41 = 444,610.30/x
  3. Step 3: Cross multiply
    643,014.94x = 964,325.41 × 444,610.30
  4. Step 4: Simplify right side
    643,014.94x = 428,749,015,317.91
  5. Step 5: Solve for x
    x = 428,749,015,317.91/643,014.94
  6. Step 6: Final answer
    x = 666,779.24

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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.