Finding the Fourth Proportional to 835,877.30, 1,153,514.95 and 453,904.09
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Solution
The fourth proportional to 835,877.30, 1,153,514.95 and 453,904.09 is: 626,389.96
Step by Step Solution
- Step 1: Write the proportion equation
835,877.30 : 1,153,514.95 = 453,904.09 : x - Step 2: Convert to fraction form
835,877.30/1,153,514.95 = 453,904.09/x - Step 3: Cross multiply
835,877.30x = 1,153,514.95 × 453,904.09 - Step 4: Simplify right side
835,877.30x = 523,585,149,662.60 - Step 5: Solve for x
x = 523,585,149,662.60/835,877.30 - Step 6: Final answer
x = 626,389.96
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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.