Finding the Fourth Proportional to 543,277.80, 814,916.70 and 403,309.80
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Solution
The fourth proportional to 543,277.80, 814,916.70 and 403,309.80 is: 604,964.70
Step by Step Solution
- Step 1: Write the proportion equation
543,277.80 : 814,916.70 = 403,309.80 : x - Step 2: Convert to fraction form
543,277.80/814,916.70 = 403,309.80/x - Step 3: Cross multiply
543,277.80x = 814,916.70 × 403,309.80 - Step 4: Simplify right side
543,277.80x = 328,663,891,293.66 - Step 5: Solve for x
x = 328,663,891,293.66/543,277.80 - Step 6: Final answer
x = 604,964.70
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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.