Finding the Fourth Proportional to 644,093.90, 964,669.29 and 307,370.99
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Solution
The fourth proportional to 644,093.90, 964,669.29 and 307,370.99 is: 460,354.23
Step by Step Solution
- Step 1: Write the proportion equation
644,093.90 : 964,669.29 = 307,370.99 : x - Step 2: Convert to fraction form
644,093.90/964,669.29 = 307,370.99/x - Step 3: Cross multiply
644,093.90x = 964,669.29 × 307,370.99 - Step 4: Simplify right side
644,093.90x = 296,511,349,866.55 - Step 5: Solve for x
x = 296,511,349,866.55/644,093.90 - Step 6: Final answer
x = 460,354.23
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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.