Finding the Fourth Proportional to 644,283.08, 965,998.06 and 307,375.73
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Solution
The fourth proportional to 644,283.08, 965,998.06 and 307,375.73 is: 460,860.09
Step by Step Solution
- Step 1: Write the proportion equation
644,283.08 : 965,998.06 = 307,375.73 : x - Step 2: Convert to fraction form
644,283.08/965,998.06 = 307,375.73/x - Step 3: Cross multiply
644,283.08x = 965,998.06 × 307,375.73 - Step 4: Simplify right side
644,283.08x = 296,924,360,517.64 - Step 5: Solve for x
x = 296,924,360,517.64/644,283.08 - Step 6: Final answer
x = 460,860.09
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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.