Finding the Fourth Proportional to 756,963.45, 1,044,596.46 and 412,802.09
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Solution
The fourth proportional to 756,963.45, 1,044,596.46 and 412,802.09 is: 569,659.75
Step by Step Solution
- Step 1: Write the proportion equation
756,963.45 : 1,044,596.46 = 412,802.09 : x - Step 2: Convert to fraction form
756,963.45/1,044,596.46 = 412,802.09/x - Step 3: Cross multiply
756,963.45x = 1,044,596.46 × 412,802.09 - Step 4: Simplify right side
756,963.45x = 431,211,606,054.10 - Step 5: Solve for x
x = 431,211,606,054.10/756,963.45 - Step 6: Final answer
x = 569,659.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.