Finding the Fourth Proportional to 638,063.04, 880,566.30 and 351,583.08
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Solution
The fourth proportional to 638,063.04, 880,566.30 and 351,583.08 is: 485,206.31
Step by Step Solution
- Step 1: Write the proportion equation
638,063.04 : 880,566.30 = 351,583.08 : x - Step 2: Convert to fraction form
638,063.04/880,566.30 = 351,583.08/x - Step 3: Cross multiply
638,063.04x = 880,566.30 × 351,583.08 - Step 4: Simplify right side
638,063.04x = 309,592,211,898.20 - Step 5: Solve for x
x = 309,592,211,898.20/638,063.04 - Step 6: Final answer
x = 485,206.31
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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.