Finding the Fourth Proportional to 776,192.70, 1,164,207.12 and 207,631.14
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Solution
The fourth proportional to 776,192.70, 1,164,207.12 and 207,631.14 is: 311,424.79
Step by Step Solution
- Step 1: Write the proportion equation
776,192.70 : 1,164,207.12 = 207,631.14 : x - Step 2: Convert to fraction form
776,192.70/1,164,207.12 = 207,631.14/x - Step 3: Cross multiply
776,192.70x = 1,164,207.12 × 207,631.14 - Step 4: Simplify right side
776,192.70x = 241,725,651,521.72 - Step 5: Solve for x
x = 241,725,651,521.72/776,192.70 - Step 6: Final answer
x = 311,424.79
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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.