Home / 946,128.08-1,419,418.11-315,047.36

Finding the Fourth Proportional to 946,128.08, 1,419,418.11 and 315,047.36

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Solution

The fourth proportional to 946,128.08, 1,419,418.11 and 315,047.36 is: 472,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,128.08 : 1,419,418.11 = 315,047.36 : x
  2. Step 2: Convert to fraction form
    946,128.08/1,419,418.11 = 315,047.36/x
  3. Step 3: Cross multiply
    946,128.08x = 1,419,418.11 × 315,047.36
  4. Step 4: Simplify right side
    946,128.08x = 447,183,921,194.60
  5. Step 5: Solve for x
    x = 447,183,921,194.60/946,128.08
  6. Step 6: Final answer
    x = 472,646.29

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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.