Finding the Fourth Proportional to 746,192.16, 1,029,715.20 and 406,653.12
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Solution
The fourth proportional to 746,192.16, 1,029,715.20 and 406,653.12 is: 561,164.97
Step by Step Solution
- Step 1: Write the proportion equation
746,192.16 : 1,029,715.20 = 406,653.12 : x - Step 2: Convert to fraction form
746,192.16/1,029,715.20 = 406,653.12/x - Step 3: Cross multiply
746,192.16x = 1,029,715.20 × 406,653.12 - Step 4: Simplify right side
746,192.16x = 418,736,898,791.42 - Step 5: Solve for x
x = 418,736,898,791.42/746,192.16 - Step 6: Final answer
x = 561,164.97
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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.