Finding the Fourth Proportional to 556,805.30, 835,207.95 and 415,087.70
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Solution
The fourth proportional to 556,805.30, 835,207.95 and 415,087.70 is: 622,631.55
Step by Step Solution
- Step 1: Write the proportion equation
556,805.30 : 835,207.95 = 415,087.70 : x - Step 2: Convert to fraction form
556,805.30/835,207.95 = 415,087.70/x - Step 3: Cross multiply
556,805.30x = 835,207.95 × 415,087.70 - Step 4: Simplify right side
556,805.30x = 346,684,546,987.22 - Step 5: Solve for x
x = 346,684,546,987.22/556,805.30 - Step 6: Final answer
x = 622,631.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.