Home / 946,942.90-1,420,980.29-347,964.61

Finding the Fourth Proportional to 946,942.90, 1,420,980.29 and 347,964.61

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Solution

The fourth proportional to 946,942.90, 1,420,980.29 and 347,964.61 is: 522,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,942.90 : 1,420,980.29 = 347,964.61 : x
  2. Step 2: Convert to fraction form
    946,942.90/1,420,980.29 = 347,964.61/x
  3. Step 3: Cross multiply
    946,942.90x = 1,420,980.29 × 347,964.61
  4. Step 4: Simplify right side
    946,942.90x = 494,450,852,083.12
  5. Step 5: Solve for x
    x = 494,450,852,083.12/946,942.90
  6. Step 6: Final answer
    x = 522,154.87

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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.