Finding the Fourth Proportional to 824,725.27, 1,138,120.09 and 462,151.99
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Solution
The fourth proportional to 824,725.27, 1,138,120.09 and 462,151.99 is: 637,769.31
Step by Step Solution
- Step 1: Write the proportion equation
824,725.27 : 1,138,120.09 = 462,151.99 : x - Step 2: Convert to fraction form
824,725.27/1,138,120.09 = 462,151.99/x - Step 3: Cross multiply
824,725.27x = 1,138,120.09 × 462,151.99 - Step 4: Simplify right side
824,725.27x = 525,984,464,452.48 - Step 5: Solve for x
x = 525,984,464,452.48/824,725.27 - Step 6: Final answer
x = 637,769.31
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1.5x scale
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.