Home / 946,128.70-1,419,419.04-315,047.98

Finding the Fourth Proportional to 946,128.70, 1,419,419.04 and 315,047.98

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Solution

The fourth proportional to 946,128.70, 1,419,419.04 and 315,047.98 is: 472,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,128.70 : 1,419,419.04 = 315,047.98 : x
  2. Step 2: Convert to fraction form
    946,128.70/1,419,419.04 = 315,047.98/x
  3. Step 3: Cross multiply
    946,128.70x = 1,419,419.04 × 315,047.98
  4. Step 4: Simplify right side
    946,128.70x = 447,185,101,325.54
  5. Step 5: Solve for x
    x = 447,185,101,325.54/946,128.70
  6. Step 6: Final answer
    x = 472,647.22

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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.