Finding the Fourth Proportional to 629,662.18, 869,369.44 and 509,333.44
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Solution
The fourth proportional to 629,662.18, 869,369.44 and 509,333.44 is: 703,232.53
Step by Step Solution
- Step 1: Write the proportion equation
629,662.18 : 869,369.44 = 509,333.44 : x - Step 2: Convert to fraction form
629,662.18/869,369.44 = 509,333.44/x - Step 3: Cross multiply
629,662.18x = 869,369.44 × 509,333.44 - Step 4: Simplify right side
629,662.18x = 442,798,927,506.07 - Step 5: Solve for x
x = 442,798,927,506.07/629,662.18 - Step 6: Final answer
x = 703,232.53
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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.