Finding the Fourth Proportional to 902,680.99, 1,345,951.28 and 877,880.41
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Solution
The fourth proportional to 902,680.99, 1,345,951.28 and 877,880.41 is: 1,308,972.13
Step by Step Solution
- Step 1: Write the proportion equation
902,680.99 : 1,345,951.28 = 877,880.41 : x - Step 2: Convert to fraction form
902,680.99/1,345,951.28 = 877,880.41/x - Step 3: Cross multiply
902,680.99x = 1,345,951.28 × 877,880.41 - Step 4: Simplify right side
902,680.99x = 1,181,584,257,137.02 - Step 5: Solve for x
x = 1,181,584,257,137.02/902,680.99 - Step 6: Final answer
x = 1,308,972.13
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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.