Finding the Fourth Proportional to 824,756.99, 1,236,368.61 and 319,647.47
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Solution
The fourth proportional to 824,756.99, 1,236,368.61 and 319,647.47 is: 479,173.99
Step by Step Solution
- Step 1: Write the proportion equation
824,756.99 : 1,236,368.61 = 319,647.47 : x - Step 2: Convert to fraction form
824,756.99/1,236,368.61 = 319,647.47/x - Step 3: Cross multiply
824,756.99x = 1,236,368.61 × 319,647.47 - Step 4: Simplify right side
824,756.99x = 395,202,091,992.07 - Step 5: Solve for x
x = 395,202,091,992.07/824,756.99 - Step 6: Final answer
x = 479,173.99
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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.