Finding the Fourth Proportional to 654,437.17, 902,820.17 and 382,516.53
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Solution
The fourth proportional to 654,437.17, 902,820.17 and 382,516.53 is: 527,695.63
Step by Step Solution
- Step 1: Write the proportion equation
654,437.17 : 902,820.17 = 382,516.53 : x - Step 2: Convert to fraction form
654,437.17/902,820.17 = 382,516.53/x - Step 3: Cross multiply
654,437.17x = 902,820.17 × 382,516.53 - Step 4: Simplify right side
654,437.17x = 345,343,636,213.13 - Step 5: Solve for x
x = 345,343,636,213.13/654,437.17 - Step 6: Final answer
x = 527,695.63
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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.