Finding the Fourth Proportional to 947,116.14, 1,421,234.69 and 348,497.66
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Solution
The fourth proportional to 947,116.14, 1,421,234.69 and 348,497.66 is: 522,952.72
Step by Step Solution
- Step 1: Write the proportion equation
947,116.14 : 1,421,234.69 = 348,497.66 : x - Step 2: Convert to fraction form
947,116.14/1,421,234.69 = 348,497.66/x - Step 3: Cross multiply
947,116.14x = 1,421,234.69 × 348,497.66 - Step 4: Simplify right side
947,116.14x = 495,296,963,775.83 - Step 5: Solve for x
x = 495,296,963,775.83/947,116.14 - Step 6: Final answer
x = 522,952.72
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1.5x scale
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.