Finding the Fourth Proportional to 625,810.63, 938,832.72 and 284,278.05
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Solution
The fourth proportional to 625,810.63, 938,832.72 and 284,278.05 is: 426,470.12
Step by Step Solution
- Step 1: Write the proportion equation
625,810.63 : 938,832.72 = 284,278.05 : x - Step 2: Convert to fraction form
625,810.63/938,832.72 = 284,278.05/x - Step 3: Cross multiply
625,810.63x = 938,832.72 × 284,278.05 - Step 4: Simplify right side
625,810.63x = 266,889,534,917.80 - Step 5: Solve for x
x = 266,889,534,917.80/625,810.63 - Step 6: Final answer
x = 426,470.12
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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.