Finding the Fourth Proportional to 920,586.41, 1,270,383.53 and 512,688.14
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Solution
The fourth proportional to 920,586.41, 1,270,383.53 and 512,688.14 is: 707,495.31
Step by Step Solution
- Step 1: Write the proportion equation
920,586.41 : 1,270,383.53 = 512,688.14 : x - Step 2: Convert to fraction form
920,586.41/1,270,383.53 = 512,688.14/x - Step 3: Cross multiply
920,586.41x = 1,270,383.53 × 512,688.14 - Step 4: Simplify right side
920,586.41x = 651,310,560,166.98 - Step 5: Solve for x
x = 651,310,560,166.98/920,586.41 - Step 6: Final answer
x = 707,495.31
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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.