Home / 642,954.98-964,235.57-444,550.34

Finding the Fourth Proportional to 642,954.98, 964,235.57 and 444,550.34

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Solution

The fourth proportional to 642,954.98, 964,235.57 and 444,550.34 is: 666,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,954.98 : 964,235.57 = 444,550.34 : x
  2. Step 2: Convert to fraction form
    642,954.98/964,235.57 = 444,550.34/x
  3. Step 3: Cross multiply
    642,954.98x = 964,235.57 × 444,550.34
  4. Step 4: Simplify right side
    642,954.98x = 428,651,243,439.66
  5. Step 5: Solve for x
    x = 428,651,243,439.66/642,954.98
  6. Step 6: Final answer
    x = 666,689.36

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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.