Finding the Fourth Proportional to 831,181.68, 1,146,498.84 and 576,439.92
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Solution
The fourth proportional to 831,181.68, 1,146,498.84 and 576,439.92 is: 795,118.22
Step by Step Solution
- Step 1: Write the proportion equation
831,181.68 : 1,146,498.84 = 576,439.92 : x - Step 2: Convert to fraction form
831,181.68/1,146,498.84 = 576,439.92/x - Step 3: Cross multiply
831,181.68x = 1,146,498.84 × 576,439.92 - Step 4: Simplify right side
831,181.68x = 660,887,699,609.69 - Step 5: Solve for x
x = 660,887,699,609.69/831,181.68 - Step 6: Final answer
x = 795,118.22
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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.