Finding the Fourth Proportional to 847,683.16, 1,170,109.68 and 561,295.48
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Solution
The fourth proportional to 847,683.16, 1,170,109.68 and 561,295.48 is: 774,790.99
Step by Step Solution
- Step 1: Write the proportion equation
847,683.16 : 1,170,109.68 = 561,295.48 : x - Step 2: Convert to fraction form
847,683.16/1,170,109.68 = 561,295.48/x - Step 3: Cross multiply
847,683.16x = 1,170,109.68 × 561,295.48 - Step 4: Simplify right side
847,683.16x = 656,777,274,488.25 - Step 5: Solve for x
x = 656,777,274,488.25/847,683.16 - Step 6: Final answer
x = 774,790.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.