Finding the Fourth Proportional to 942,460.20, 1,403,030.16 and 936,855.09
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Solution
The fourth proportional to 942,460.20, 1,403,030.16 and 936,855.09 is: 1,394,685.89
Step by Step Solution
- Step 1: Write the proportion equation
942,460.20 : 1,403,030.16 = 936,855.09 : x - Step 2: Convert to fraction form
942,460.20/1,403,030.16 = 936,855.09/x - Step 3: Cross multiply
942,460.20x = 1,403,030.16 × 936,855.09 - Step 4: Simplify right side
942,460.20x = 1,314,435,946,819.51 - Step 5: Solve for x
x = 1,314,435,946,819.51/942,460.20 - Step 6: Final answer
x = 1,394,685.89
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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.