Finding the Fourth Proportional to 711,701.53, 1,067,552.29 and 290,878.99
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Solution
The fourth proportional to 711,701.53, 1,067,552.29 and 290,878.99 is: 436,318.48
Step by Step Solution
- Step 1: Write the proportion equation
711,701.53 : 1,067,552.29 = 290,878.99 : x - Step 2: Convert to fraction form
711,701.53/1,067,552.29 = 290,878.99/x - Step 3: Cross multiply
711,701.53x = 1,067,552.29 × 290,878.99 - Step 4: Simplify right side
711,701.53x = 310,528,531,887.39 - Step 5: Solve for x
x = 310,528,531,887.39/711,701.53 - Step 6: Final answer
x = 436,318.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.