Finding the Fourth Proportional to 638,207.70, 957,311.55 and 598,841.70
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Solution
The fourth proportional to 638,207.70, 957,311.55 and 598,841.70 is: 898,262.55
Step by Step Solution
- Step 1: Write the proportion equation
638,207.70 : 957,311.55 = 598,841.70 : x - Step 2: Convert to fraction form
638,207.70/957,311.55 = 598,841.70/x - Step 3: Cross multiply
638,207.70x = 957,311.55 × 598,841.70 - Step 4: Simplify right side
638,207.70x = 573,278,076,031.64 - Step 5: Solve for x
x = 573,278,076,031.64/638,207.70 - Step 6: Final answer
x = 898,262.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.