Finding the Fourth Proportional to 886,461.65, 1,329,450.29 and 317,736.75
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Solution
The fourth proportional to 886,461.65, 1,329,450.29 and 317,736.75 is: 476,518.31
Step by Step Solution
- Step 1: Write the proportion equation
886,461.65 : 1,329,450.29 = 317,736.75 : x - Step 2: Convert to fraction form
886,461.65/1,329,450.29 = 317,736.75/x - Step 3: Cross multiply
886,461.65x = 1,329,450.29 × 317,736.75 - Step 4: Simplify right side
886,461.65x = 422,415,206,195.22 - Step 5: Solve for x
x = 422,415,206,195.22/886,461.65 - Step 6: Final answer
x = 476,518.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.