Finding the Fourth Proportional to 822,620.20, 1,234,319.10 and 349,709.80
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Solution
The fourth proportional to 822,620.20, 1,234,319.10 and 349,709.80 is: 524,729.99
Step by Step Solution
- Step 1: Write the proportion equation
822,620.20 : 1,234,319.10 = 349,709.80 : x - Step 2: Convert to fraction form
822,620.20/1,234,319.10 = 349,709.80/x - Step 3: Cross multiply
822,620.20x = 1,234,319.10 × 349,709.80 - Step 4: Simplify right side
822,620.20x = 431,653,485,597.18 - Step 5: Solve for x
x = 431,653,485,597.18/822,620.20 - Step 6: Final answer
x = 524,729.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.