Finding the Fourth Proportional to 947,115.76, 1,421,234.12 and 348,497.28
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Solution
The fourth proportional to 947,115.76, 1,421,234.12 and 348,497.28 is: 522,952.15
Step by Step Solution
- Step 1: Write the proportion equation
947,115.76 : 1,421,234.12 = 348,497.28 : x - Step 2: Convert to fraction form
947,115.76/1,421,234.12 = 348,497.28/x - Step 3: Cross multiply
947,115.76x = 1,421,234.12 × 348,497.28 - Step 4: Simplify right side
947,115.76x = 495,296,225,063.19 - Step 5: Solve for x
x = 495,296,225,063.19/947,115.76 - Step 6: Final answer
x = 522,952.15
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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.