Finding the Fourth Proportional to 886,121.99, 1,222,687.05 and 498,877.19
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Solution
The fourth proportional to 886,121.99, 1,222,687.05 and 498,877.19 is: 688,359.71
Step by Step Solution
- Step 1: Write the proportion equation
886,121.99 : 1,222,687.05 = 498,877.19 : x - Step 2: Convert to fraction form
886,121.99/1,222,687.05 = 498,877.19/x - Step 3: Cross multiply
886,121.99x = 1,222,687.05 × 498,877.19 - Step 4: Simplify right side
886,121.99x = 609,970,680,939.32 - Step 5: Solve for x
x = 609,970,680,939.32/886,121.99 - Step 6: Final answer
x = 688,359.71
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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.