Finding the Fourth Proportional to 707,548.08, 976,403.70 and 385,252.32
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Solution
The fourth proportional to 707,548.08, 976,403.70 and 385,252.32 is: 531,641.31
Step by Step Solution
- Step 1: Write the proportion equation
707,548.08 : 976,403.70 = 385,252.32 : x - Step 2: Convert to fraction form
707,548.08/976,403.70 = 385,252.32/x - Step 3: Cross multiply
707,548.08x = 976,403.70 × 385,252.32 - Step 4: Simplify right side
707,548.08x = 376,161,790,681.58 - Step 5: Solve for x
x = 376,161,790,681.58/707,548.08 - Step 6: Final answer
x = 531,641.31
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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.