Finding the Fourth Proportional to 913,948.93, 1,371,203.66 and 408,934.99
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Solution
The fourth proportional to 913,948.93, 1,371,203.66 and 408,934.99 is: 613,527.89
Step by Step Solution
- Step 1: Write the proportion equation
913,948.93 : 1,371,203.66 = 408,934.99 : x - Step 2: Convert to fraction form
913,948.93/1,371,203.66 = 408,934.99/x - Step 3: Cross multiply
913,948.93x = 1,371,203.66 × 408,934.99 - Step 4: Simplify right side
913,948.93x = 560,733,154,990.06 - Step 5: Solve for x
x = 560,733,154,990.06/913,948.93 - Step 6: Final answer
x = 613,527.89
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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.