Finding the Fourth Proportional to 695,318.99, 959,517.77 and 385,208.80
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Solution
The fourth proportional to 695,318.99, 959,517.77 and 385,208.80 is: 531,575.71
Step by Step Solution
- Step 1: Write the proportion equation
695,318.99 : 959,517.77 = 385,208.80 : x - Step 2: Convert to fraction form
695,318.99/959,517.77 = 385,208.80/x - Step 3: Cross multiply
695,318.99x = 959,517.77 × 385,208.80 - Step 4: Simplify right side
695,318.99x = 369,614,684,435.54 - Step 5: Solve for x
x = 369,614,684,435.54/695,318.99 - Step 6: Final answer
x = 531,575.71
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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.