Finding the Fourth Proportional to 835,405.02, 1,152,859.98 and 453,431.94
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Solution
The fourth proportional to 835,405.02, 1,152,859.98 and 453,431.94 is: 625,736.65
Step by Step Solution
- Step 1: Write the proportion equation
835,405.02 : 1,152,859.98 = 453,431.94 : x - Step 2: Convert to fraction form
835,405.02/1,152,859.98 = 453,431.94/x - Step 3: Cross multiply
835,405.02x = 1,152,859.98 × 453,431.94 - Step 4: Simplify right side
835,405.02x = 522,743,537,279.76 - Step 5: Solve for x
x = 522,743,537,279.76/835,405.02 - Step 6: Final answer
x = 625,736.65
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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.