Finding the Fourth Proportional to 629,391.84, 943,575.36 and 292,644.48
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Solution
The fourth proportional to 629,391.84, 943,575.36 and 292,644.48 is: 438,728.47
Step by Step Solution
- Step 1: Write the proportion equation
629,391.84 : 943,575.36 = 292,644.48 : x - Step 2: Convert to fraction form
629,391.84/943,575.36 = 292,644.48/x - Step 3: Cross multiply
629,391.84x = 943,575.36 × 292,644.48 - Step 4: Simplify right side
629,391.84x = 276,132,120,568.01 - Step 5: Solve for x
x = 276,132,120,568.01/629,391.84 - Step 6: Final answer
x = 438,728.47
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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.