Finding the Fourth Proportional to 947,115.49, 1,421,233.73 and 348,497.02
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Solution
The fourth proportional to 947,115.49, 1,421,233.73 and 348,497.02 is: 522,951.77
Step by Step Solution
- Step 1: Write the proportion equation
947,115.49 : 1,421,233.73 = 348,497.02 : x - Step 2: Convert to fraction form
947,115.49/1,421,233.73 = 348,497.02/x - Step 3: Cross multiply
947,115.49x = 1,421,233.73 × 348,497.02 - Step 4: Simplify right side
947,115.49x = 495,295,719,628.49 - Step 5: Solve for x
x = 495,295,719,628.49/947,115.49 - Step 6: Final answer
x = 522,951.77
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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.