Home / 946,433.70-1,419,876.54-315,352.98

Finding the Fourth Proportional to 946,433.70, 1,419,876.54 and 315,352.98

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Solution

The fourth proportional to 946,433.70, 1,419,876.54 and 315,352.98 is: 473,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,433.70 : 1,419,876.54 = 315,352.98 : x
  2. Step 2: Convert to fraction form
    946,433.70/1,419,876.54 = 315,352.98/x
  3. Step 3: Cross multiply
    946,433.70x = 1,419,876.54 × 315,352.98
  4. Step 4: Simplify right side
    946,433.70x = 447,762,298,121.09
  5. Step 5: Solve for x
    x = 447,762,298,121.09/946,433.70
  6. Step 6: Final answer
    x = 473,104.77

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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.