Finding the Fourth Proportional to 809,828.74, 1,215,482.91 and 410,744.98
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Solution
The fourth proportional to 809,828.74, 1,215,482.91 and 410,744.98 is: 616,492.70
Step by Step Solution
- Step 1: Write the proportion equation
809,828.74 : 1,215,482.91 = 410,744.98 : x - Step 2: Convert to fraction form
809,828.74/1,215,482.91 = 410,744.98/x - Step 3: Cross multiply
809,828.74x = 1,215,482.91 × 410,744.98 - Step 4: Simplify right side
809,828.74x = 499,253,503,558.29 - Step 5: Solve for x
x = 499,253,503,558.29/809,828.74 - Step 6: Final answer
x = 616,492.70
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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.