Finding the Fourth Proportional to 947,603.28, 1,421,195.60 and 273,538.08
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Solution
The fourth proportional to 947,603.28, 1,421,195.60 and 273,538.08 is: 410,246.70
Step by Step Solution
- Step 1: Write the proportion equation
947,603.28 : 1,421,195.60 = 273,538.08 : x - Step 2: Convert to fraction form
947,603.28/1,421,195.60 = 273,538.08/x - Step 3: Cross multiply
947,603.28x = 1,421,195.60 × 273,538.08 - Step 4: Simplify right side
947,603.28x = 388,751,115,728.45 - Step 5: Solve for x
x = 388,751,115,728.45/947,603.28 - Step 6: Final answer
x = 410,246.70
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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.