Finding the Fourth Proportional to 647,252.70, 904,972.80 and 647,252.70
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Solution
The fourth proportional to 647,252.70, 904,972.80 and 647,252.70 is: 904,972.80
Step by Step Solution
- Step 1: Write the proportion equation
647,252.70 : 904,972.80 = 647,252.70 : x - Step 2: Convert to fraction form
647,252.70/904,972.80 = 647,252.70/x - Step 3: Cross multiply
647,252.70x = 904,972.80 × 647,252.70 - Step 4: Simplify right side
647,252.70x = 585,746,088,226.56 - Step 5: Solve for x
x = 585,746,088,226.56/647,252.70 - Step 6: Final answer
x = 904,972.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.