Finding the Fourth Proportional to 853,846.72, 1,178,433.57 and 514,307.68
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Solution
The fourth proportional to 853,846.72, 1,178,433.57 and 514,307.68 is: 709,819.95
Step by Step Solution
- Step 1: Write the proportion equation
853,846.72 : 1,178,433.57 = 514,307.68 : x - Step 2: Convert to fraction form
853,846.72/1,178,433.57 = 514,307.68/x - Step 3: Cross multiply
853,846.72x = 1,178,433.57 × 514,307.68 - Step 4: Simplify right side
853,846.72x = 606,077,435,420.82 - Step 5: Solve for x
x = 606,077,435,420.82/853,846.72 - Step 6: Final answer
x = 709,819.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.