Finding the Fourth Proportional to 788,270.74, 1,087,813.60 and 425,694.62
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Solution
The fourth proportional to 788,270.74, 1,087,813.60 and 425,694.62 is: 587,458.56
Step by Step Solution
- Step 1: Write the proportion equation
788,270.74 : 1,087,813.60 = 425,694.62 : x - Step 2: Convert to fraction form
788,270.74/1,087,813.60 = 425,694.62/x - Step 3: Cross multiply
788,270.74x = 1,087,813.60 × 425,694.62 - Step 4: Simplify right side
788,270.74x = 463,076,397,082.83 - Step 5: Solve for x
x = 463,076,397,082.83/788,270.74 - Step 6: Final answer
x = 587,458.56
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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.