Finding the Fourth Proportional to 844,682.74, 1,165,662.12 and 462,709.42
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Solution
The fourth proportional to 844,682.74, 1,165,662.12 and 462,709.42 is: 638,538.97
Step by Step Solution
- Step 1: Write the proportion equation
844,682.74 : 1,165,662.12 = 462,709.42 : x - Step 2: Convert to fraction form
844,682.74/1,165,662.12 = 462,709.42/x - Step 3: Cross multiply
844,682.74x = 1,165,662.12 × 462,709.42 - Step 4: Simplify right side
844,682.74x = 539,362,843,461.17 - Step 5: Solve for x
x = 539,362,843,461.17/844,682.74 - Step 6: Final answer
x = 638,538.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.