Finding the Fourth Proportional to 648,934.80, 895,524.74 and 358,545.44
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Solution
The fourth proportional to 648,934.80, 895,524.74 and 358,545.44 is: 494,789.79
Step by Step Solution
- Step 1: Write the proportion equation
648,934.80 : 895,524.74 = 358,545.44 : x - Step 2: Convert to fraction form
648,934.80/895,524.74 = 358,545.44/x - Step 3: Cross multiply
648,934.80x = 895,524.74 × 358,545.44 - Step 4: Simplify right side
648,934.80x = 321,086,311,934.19 - Step 5: Solve for x
x = 321,086,311,934.19/648,934.80 - Step 6: Final answer
x = 494,789.79
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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.