Finding the Fourth Proportional to 710,874.27, 1,066,312.85 and 205,475.99
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Solution
The fourth proportional to 710,874.27, 1,066,312.85 and 205,475.99 is: 308,214.39
Step by Step Solution
- Step 1: Write the proportion equation
710,874.27 : 1,066,312.85 = 205,475.99 : x - Step 2: Convert to fraction form
710,874.27/1,066,312.85 = 205,475.99/x - Step 3: Cross multiply
710,874.27x = 1,066,312.85 × 205,475.99 - Step 4: Simplify right side
710,874.27x = 219,101,682,144.53 - Step 5: Solve for x
x = 219,101,682,144.53/710,874.27 - Step 6: Final answer
x = 308,214.39
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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.