Finding the Fourth Proportional to 864,136.77, 1,192,176.14 and 541,284.81
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Solution
The fourth proportional to 864,136.77, 1,192,176.14 and 541,284.81 is: 746,764.70
Step by Step Solution
- Step 1: Write the proportion equation
864,136.77 : 1,192,176.14 = 541,284.81 : x - Step 2: Convert to fraction form
864,136.77/1,192,176.14 = 541,284.81/x - Step 3: Cross multiply
864,136.77x = 1,192,176.14 × 541,284.81 - Step 4: Simplify right side
864,136.77x = 645,306,835,426.43 - Step 5: Solve for x
x = 645,306,835,426.43/864,136.77 - Step 6: Final answer
x = 746,764.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.