Finding the Fourth Proportional to 814,336.12, 1,221,307.35 and 341,375.50
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Solution
The fourth proportional to 814,336.12, 1,221,307.35 and 341,375.50 is: 511,980.74
Step by Step Solution
- Step 1: Write the proportion equation
814,336.12 : 1,221,307.35 = 341,375.50 : x - Step 2: Convert to fraction form
814,336.12/1,221,307.35 = 341,375.50/x - Step 3: Cross multiply
814,336.12x = 1,221,307.35 × 341,375.50 - Step 4: Simplify right side
814,336.12x = 416,924,407,259.93 - Step 5: Solve for x
x = 416,924,407,259.93/814,336.12 - Step 6: Final answer
x = 511,980.74
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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.