Finding the Fourth Proportional to 816,790.45, 1,127,005.63 and 477,193.09
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Solution
The fourth proportional to 816,790.45, 1,127,005.63 and 477,193.09 is: 658,429.95
Step by Step Solution
- Step 1: Write the proportion equation
816,790.45 : 1,127,005.63 = 477,193.09 : x - Step 2: Convert to fraction form
816,790.45/1,127,005.63 = 477,193.09/x - Step 3: Cross multiply
816,790.45x = 1,127,005.63 × 477,193.09 - Step 4: Simplify right side
816,790.45x = 537,799,299,027.10 - Step 5: Solve for x
x = 537,799,299,027.10/816,790.45 - Step 6: Final answer
x = 658,429.95
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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.