Finding the Fourth Proportional to 584,703.72, 806,891.13 and 316,431.72
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Solution
The fourth proportional to 584,703.72, 806,891.13 and 316,431.72 is: 436,675.77
Step by Step Solution
- Step 1: Write the proportion equation
584,703.72 : 806,891.13 = 316,431.72 : x - Step 2: Convert to fraction form
584,703.72/806,891.13 = 316,431.72/x - Step 3: Cross multiply
584,703.72x = 806,891.13 × 316,431.72 - Step 4: Simplify right side
584,703.72x = 255,325,950,135.87 - Step 5: Solve for x
x = 255,325,950,135.87/584,703.72 - Step 6: Final answer
x = 436,675.77
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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.