Finding the Fourth Proportional to 787,277.80, 1,180,916.70 and 432,983.80
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Solution
The fourth proportional to 787,277.80, 1,180,916.70 and 432,983.80 is: 649,475.70
Step by Step Solution
- Step 1: Write the proportion equation
787,277.80 : 1,180,916.70 = 432,983.80 : x - Step 2: Convert to fraction form
787,277.80/1,180,916.70 = 432,983.80/x - Step 3: Cross multiply
787,277.80x = 1,180,916.70 × 432,983.80 - Step 4: Simplify right side
787,277.80x = 511,317,800,249.46 - Step 5: Solve for x
x = 511,317,800,249.46/787,277.80 - Step 6: Final answer
x = 649,475.70
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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.