Finding the Fourth Proportional to 798,063.63, 1,101,293.58 and 435,478.47
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Solution
The fourth proportional to 798,063.63, 1,101,293.58 and 435,478.47 is: 600,941.61
Step by Step Solution
- Step 1: Write the proportion equation
798,063.63 : 1,101,293.58 = 435,478.47 : x - Step 2: Convert to fraction form
798,063.63/1,101,293.58 = 435,478.47/x - Step 3: Cross multiply
798,063.63x = 1,101,293.58 × 435,478.47 - Step 4: Simplify right side
798,063.63x = 479,589,643,239.22 - Step 5: Solve for x
x = 479,589,643,239.22/798,063.63 - Step 6: Final answer
x = 600,941.61
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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.