Finding the Fourth Proportional to 902,238.18, 1,245,088.62 and 494,355.48
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Solution
The fourth proportional to 902,238.18, 1,245,088.62 and 494,355.48 is: 682,210.52
Step by Step Solution
- Step 1: Write the proportion equation
902,238.18 : 1,245,088.62 = 494,355.48 : x - Step 2: Convert to fraction form
902,238.18/1,245,088.62 = 494,355.48/x - Step 3: Cross multiply
902,238.18x = 1,245,088.62 × 494,355.48 - Step 4: Simplify right side
902,238.18x = 615,516,382,382.64 - Step 5: Solve for x
x = 615,516,382,382.64/902,238.18 - Step 6: Final answer
x = 682,210.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.