Finding the Fourth Proportional to 484,013.80, 724,292.70 and 306,605.80
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Solution
The fourth proportional to 484,013.80, 724,292.70 and 306,605.80 is: 458,814.07
Step by Step Solution
- Step 1: Write the proportion equation
484,013.80 : 724,292.70 = 306,605.80 : x - Step 2: Convert to fraction form
484,013.80/724,292.70 = 306,605.80/x - Step 3: Cross multiply
484,013.80x = 724,292.70 × 306,605.80 - Step 4: Simplify right side
484,013.80x = 222,072,342,717.66 - Step 5: Solve for x
x = 222,072,342,717.66/484,013.80 - Step 6: Final answer
x = 458,814.07
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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.