Finding the Fourth Proportional to 939,895.62, 1,297,056.96 and 510,175.68
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Solution
The fourth proportional to 939,895.62, 1,297,056.96 and 510,175.68 is: 704,042.98
Step by Step Solution
- Step 1: Write the proportion equation
939,895.62 : 1,297,056.96 = 510,175.68 : x - Step 2: Convert to fraction form
939,895.62/1,297,056.96 = 510,175.68/x - Step 3: Cross multiply
939,895.62x = 1,297,056.96 × 510,175.68 - Step 4: Simplify right side
939,895.62x = 661,726,916,566.73 - Step 5: Solve for x
x = 661,726,916,566.73/939,895.62 - Step 6: Final answer
x = 704,042.98
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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.