Finding the Fourth Proportional to 756,951.36, 1,044,545.16 and 434,434.44
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Solution
The fourth proportional to 756,951.36, 1,044,545.16 and 434,434.44 is: 599,492.14
Step by Step Solution
- Step 1: Write the proportion equation
756,951.36 : 1,044,545.16 = 434,434.44 : x - Step 2: Convert to fraction form
756,951.36/1,044,545.16 = 434,434.44/x - Step 3: Cross multiply
756,951.36x = 1,044,545.16 × 434,434.44 - Step 4: Simplify right side
756,951.36x = 453,786,391,639.31 - Step 5: Solve for x
x = 453,786,391,639.31/756,951.36 - Step 6: Final answer
x = 599,492.14
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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.