Finding the Fourth Proportional to 823,506.95, 1,235,360.06 and 290,918.99
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Solution
The fourth proportional to 823,506.95, 1,235,360.06 and 290,918.99 is: 436,413.68
Step by Step Solution
- Step 1: Write the proportion equation
823,506.95 : 1,235,360.06 = 290,918.99 : x - Step 2: Convert to fraction form
823,506.95/1,235,360.06 = 290,918.99/x - Step 3: Cross multiply
823,506.95x = 1,235,360.06 × 290,918.99 - Step 4: Simplify right side
823,506.95x = 359,389,703,666.29 - Step 5: Solve for x
x = 359,389,703,666.29/823,506.95 - Step 6: Final answer
x = 436,413.68
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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.