Finding the Fourth Proportional to 765,866.16, 1,148,798.64 and 344,649.96
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Solution
The fourth proportional to 765,866.16, 1,148,798.64 and 344,649.96 is: 516,974.67
Step by Step Solution
- Step 1: Write the proportion equation
765,866.16 : 1,148,798.64 = 344,649.96 : x - Step 2: Convert to fraction form
765,866.16/1,148,798.64 = 344,649.96/x - Step 3: Cross multiply
765,866.16x = 1,148,798.64 × 344,649.96 - Step 4: Simplify right side
765,866.16x = 395,933,405,324.05 - Step 5: Solve for x
x = 395,933,405,324.05/765,866.16 - Step 6: Final answer
x = 516,974.67
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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.