Finding the Fourth Proportional to 779,446.36, 1,169,203.56 and 247,006.68
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Solution
The fourth proportional to 779,446.36, 1,169,203.56 and 247,006.68 is: 370,520.80
Step by Step Solution
- Step 1: Write the proportion equation
779,446.36 : 1,169,203.56 = 247,006.68 : x - Step 2: Convert to fraction form
779,446.36/1,169,203.56 = 247,006.68/x - Step 3: Cross multiply
779,446.36x = 1,169,203.56 × 247,006.68 - Step 4: Simplify right side
779,446.36x = 288,801,089,599.78 - Step 5: Solve for x
x = 288,801,089,599.78/779,446.36 - Step 6: Final answer
x = 370,520.80
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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.