Finding the Fourth Proportional to 523,830.87, 722,891.66 and 297,477.99
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Solution
The fourth proportional to 523,830.87, 722,891.66 and 297,477.99 is: 410,522.50
Step by Step Solution
- Step 1: Write the proportion equation
523,830.87 : 722,891.66 = 297,477.99 : x - Step 2: Convert to fraction form
523,830.87/722,891.66 = 297,477.99/x - Step 3: Cross multiply
523,830.87x = 722,891.66 × 297,477.99 - Step 4: Simplify right side
523,830.87x = 215,044,356,517.17 - Step 5: Solve for x
x = 215,044,356,517.17/523,830.87 - Step 6: Final answer
x = 410,522.50
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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.