Finding the Fourth Proportional to 902,680.49, 1,345,950.53 and 877,879.91
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Solution
The fourth proportional to 902,680.49, 1,345,950.53 and 877,879.91 is: 1,308,971.38
Step by Step Solution
- Step 1: Write the proportion equation
902,680.49 : 1,345,950.53 = 877,879.91 : x - Step 2: Convert to fraction form
902,680.49/1,345,950.53 = 877,879.91/x - Step 3: Cross multiply
902,680.49x = 1,345,950.53 × 877,879.91 - Step 4: Simplify right side
902,680.49x = 1,181,582,930,140.85 - Step 5: Solve for x
x = 1,181,582,930,140.85/902,680.49 - Step 6: Final answer
x = 1,308,971.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.