Finding the Fourth Proportional to 783,461.84, 1,074,136.10 and 769,290.08
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Solution
The fourth proportional to 783,461.84, 1,074,136.10 and 769,290.08 is: 1,054,706.44
Step by Step Solution
- Step 1: Write the proportion equation
783,461.84 : 1,074,136.10 = 769,290.08 : x - Step 2: Convert to fraction form
783,461.84/1,074,136.10 = 769,290.08/x - Step 3: Cross multiply
783,461.84x = 1,074,136.10 × 769,290.08 - Step 4: Simplify right side
783,461.84x = 826,322,246,299.89 - Step 5: Solve for x
x = 826,322,246,299.89/783,461.84 - Step 6: Final answer
x = 1,054,706.44
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.