Finding the Fourth Proportional to 985,881.06, 1,478,821.86 and 276,013.68
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Solution
The fourth proportional to 985,881.06, 1,478,821.86 and 276,013.68 is: 414,020.60
Step by Step Solution
- Step 1: Write the proportion equation
985,881.06 : 1,478,821.86 = 276,013.68 : x - Step 2: Convert to fraction form
985,881.06/1,478,821.86 = 276,013.68/x - Step 3: Cross multiply
985,881.06x = 1,478,821.86 × 276,013.68 - Step 4: Simplify right side
985,881.06x = 408,175,063,643.05 - Step 5: Solve for x
x = 408,175,063,643.05/985,881.06 - Step 6: Final answer
x = 414,020.60
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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.