Finding the Fourth Proportional to 942,629.91, 1,412,837.34 and 436,120.71
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Solution
The fourth proportional to 942,629.91, 1,412,837.34 and 436,120.71 is: 653,668.65
Step by Step Solution
- Step 1: Write the proportion equation
942,629.91 : 1,412,837.34 = 436,120.71 : x - Step 2: Convert to fraction form
942,629.91/1,412,837.34 = 436,120.71/x - Step 3: Cross multiply
942,629.91x = 1,412,837.34 × 436,120.71 - Step 4: Simplify right side
942,629.91x = 616,167,623,835.31 - Step 5: Solve for x
x = 616,167,623,835.31/942,629.91 - Step 6: Final answer
x = 653,668.65
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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.