Finding the Fourth Proportional to 788,823.84, 1,183,768.20 and 308,992.14
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Solution
The fourth proportional to 788,823.84, 1,183,768.20 and 308,992.14 is: 463,696.77
Step by Step Solution
- Step 1: Write the proportion equation
788,823.84 : 1,183,768.20 = 308,992.14 : x - Step 2: Convert to fraction form
788,823.84/1,183,768.20 = 308,992.14/x - Step 3: Cross multiply
788,823.84x = 1,183,768.20 × 308,992.14 - Step 4: Simplify right side
788,823.84x = 365,775,069,381.95 - Step 5: Solve for x
x = 365,775,069,381.95/788,823.84 - Step 6: Final answer
x = 463,696.77
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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.