Finding the Fourth Proportional to 783,837.47, 1,175,542.64 and 215,083.73
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Solution
The fourth proportional to 783,837.47, 1,175,542.64 and 215,083.73 is: 322,566.99
Step by Step Solution
- Step 1: Write the proportion equation
783,837.47 : 1,175,542.64 = 215,083.73 : x - Step 2: Convert to fraction form
783,837.47/1,175,542.64 = 215,083.73/x - Step 3: Cross multiply
783,837.47x = 1,175,542.64 × 215,083.73 - Step 4: Simplify right side
783,837.47x = 252,840,095,785.25 - Step 5: Solve for x
x = 252,840,095,785.25/783,837.47 - Step 6: Final answer
x = 322,566.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.