Finding the Fourth Proportional to 1,116,491.96, 1,674,876.36 and 317,835.79
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Solution
The fourth proportional to 1,116,491.96, 1,674,876.36 and 317,835.79 is: 476,793.09
Step by Step Solution
- Step 1: Write the proportion equation
1,116,491.96 : 1,674,876.36 = 317,835.79 : x - Step 2: Convert to fraction form
1,116,491.96/1,674,876.36 = 317,835.79/x - Step 3: Cross multiply
1,116,491.96x = 1,674,876.36 × 317,835.79 - Step 4: Simplify right side
1,116,491.96x = 532,335,651,032.92 - Step 5: Solve for x
x = 532,335,651,032.92/1,116,491.96 - Step 6: Final answer
x = 476,793.09
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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.