Finding the Fourth Proportional to 609,521.44, 910,575.38 and 394,537.84
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Solution
The fourth proportional to 609,521.44, 910,575.38 and 394,537.84 is: 589,407.39
Step by Step Solution
- Step 1: Write the proportion equation
609,521.44 : 910,575.38 = 394,537.84 : x - Step 2: Convert to fraction form
609,521.44/910,575.38 = 394,537.84/x - Step 3: Cross multiply
609,521.44x = 910,575.38 × 394,537.84 - Step 4: Simplify right side
609,521.44x = 359,256,443,582.38 - Step 5: Solve for x
x = 359,256,443,582.38/609,521.44 - Step 6: Final answer
x = 589,407.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.