Finding the Fourth Proportional to 824,489.91, 1,237,413.11 and 351,709.11
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Solution
The fourth proportional to 824,489.91, 1,237,413.11 and 351,709.11 is: 527,852.99
Step by Step Solution
- Step 1: Write the proportion equation
824,489.91 : 1,237,413.11 = 351,709.11 : x - Step 2: Convert to fraction form
824,489.91/1,237,413.11 = 351,709.11/x - Step 3: Cross multiply
824,489.91x = 1,237,413.11 × 351,709.11 - Step 4: Simplify right side
824,489.91x = 435,209,461,861.89 - Step 5: Solve for x
x = 435,209,461,861.89/824,489.91 - Step 6: Final answer
x = 527,852.99
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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.