Finding the Fourth Proportional to 835,664.32, 1,153,216.74 and 453,691.18
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Solution
The fourth proportional to 835,664.32, 1,153,216.74 and 453,691.18 is: 626,093.82
Step by Step Solution
- Step 1: Write the proportion equation
835,664.32 : 1,153,216.74 = 453,691.18 : x - Step 2: Convert to fraction form
835,664.32/1,153,216.74 = 453,691.18/x - Step 3: Cross multiply
835,664.32x = 1,153,216.74 × 453,691.18 - Step 4: Simplify right side
835,664.32x = 523,204,263,566.35 - Step 5: Solve for x
x = 523,204,263,566.35/835,664.32 - Step 6: Final answer
x = 626,093.82
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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.