Finding the Fourth Proportional to 830,368.50, 1,246,082.49 and 297,877.74
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Solution
The fourth proportional to 830,368.50, 1,246,082.49 and 297,877.74 is: 447,006.64
Step by Step Solution
- Step 1: Write the proportion equation
830,368.50 : 1,246,082.49 = 297,877.74 : x - Step 2: Convert to fraction form
830,368.50/1,246,082.49 = 297,877.74/x - Step 3: Cross multiply
830,368.50x = 1,246,082.49 × 297,877.74 - Step 4: Simplify right side
830,368.50x = 371,180,235,974.77 - Step 5: Solve for x
x = 371,180,235,974.77/830,368.50 - Step 6: Final answer
x = 447,006.64
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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.