Finding the Fourth Proportional to 864,212.44, 1,295,586.68 and 358,457.76
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Solution
The fourth proportional to 864,212.44, 1,295,586.68 and 358,457.76 is: 537,383.03
Step by Step Solution
- Step 1: Write the proportion equation
864,212.44 : 1,295,586.68 = 358,457.76 : x - Step 2: Convert to fraction form
864,212.44/1,295,586.68 = 358,457.76/x - Step 3: Cross multiply
864,212.44x = 1,295,586.68 × 358,457.76 - Step 4: Simplify right side
864,212.44x = 464,413,099,198.64 - Step 5: Solve for x
x = 464,413,099,198.64/864,212.44 - Step 6: Final answer
x = 537,383.03
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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.