Finding the Fourth Proportional to 844,683.24, 1,165,662.81 and 462,709.92
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Solution
The fourth proportional to 844,683.24, 1,165,662.81 and 462,709.92 is: 638,539.66
Step by Step Solution
- Step 1: Write the proportion equation
844,683.24 : 1,165,662.81 = 462,709.92 : x - Step 2: Convert to fraction form
844,683.24/1,165,662.81 = 462,709.92/x - Step 3: Cross multiply
844,683.24x = 1,165,662.81 × 462,709.92 - Step 4: Simplify right side
844,683.24x = 539,363,745,562.08 - Step 5: Solve for x
x = 539,363,745,562.08/844,683.24 - Step 6: Final answer
x = 638,539.66
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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.