Finding the Fourth Proportional to 776,076.96, 1,164,148.26 and 270,688.80
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Solution
The fourth proportional to 776,076.96, 1,164,148.26 and 270,688.80 is: 406,044.65
Step by Step Solution
- Step 1: Write the proportion equation
776,076.96 : 1,164,148.26 = 270,688.80 : x - Step 2: Convert to fraction form
776,076.96/1,164,148.26 = 270,688.80/x - Step 3: Cross multiply
776,076.96x = 1,164,148.26 × 270,688.80 - Step 4: Simplify right side
776,076.96x = 315,121,895,521.49 - Step 5: Solve for x
x = 315,121,895,521.49/776,076.96 - Step 6: Final answer
x = 406,044.65
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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.