Home / 641,935.80-962,466.30-305,137.80

Finding the Fourth Proportional to 641,935.80, 962,466.30 and 305,137.80

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Solution

The fourth proportional to 641,935.80, 962,466.30 and 305,137.80 is: 457,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,935.80 : 962,466.30 = 305,137.80 : x
  2. Step 2: Convert to fraction form
    641,935.80/962,466.30 = 305,137.80/x
  3. Step 3: Cross multiply
    641,935.80x = 962,466.30 × 305,137.80
  4. Step 4: Simplify right side
    641,935.80x = 293,684,849,356.14
  5. Step 5: Solve for x
    x = 293,684,849,356.14/641,935.80
  6. Step 6: Final answer
    x = 457,498.79

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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.