Finding the Fourth Proportional to 756,747.62, 1,044,311.12 and 412,583.53
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Solution
The fourth proportional to 756,747.62, 1,044,311.12 and 412,583.53 is: 569,364.94
Step by Step Solution
- Step 1: Write the proportion equation
756,747.62 : 1,044,311.12 = 412,583.53 : x - Step 2: Convert to fraction form
756,747.62/1,044,311.12 = 412,583.53/x - Step 3: Cross multiply
756,747.62x = 1,044,311.12 × 412,583.53 - Step 4: Simplify right side
756,747.62x = 430,865,561,023.38 - Step 5: Solve for x
x = 430,865,561,023.38/756,747.62 - Step 6: Final answer
x = 569,364.94
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1.5x scale
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.