Finding the Fourth Proportional to 695,589.09, 959,895.62 and 389,663.44
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Solution
The fourth proportional to 695,589.09, 959,895.62 and 389,663.44 is: 537,725.84
Step by Step Solution
- Step 1: Write the proportion equation
695,589.09 : 959,895.62 = 389,663.44 : x - Step 2: Convert to fraction form
695,589.09/959,895.62 = 389,663.44/x - Step 3: Cross multiply
695,589.09x = 959,895.62 × 389,663.44 - Step 4: Simplify right side
695,589.09x = 374,036,224,530.66 - Step 5: Solve for x
x = 374,036,224,530.66/695,589.09 - Step 6: Final answer
x = 537,725.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.