Finding the Fourth Proportional to 749,814.42, 1,123,309.26 and 370,291.08
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Solution
The fourth proportional to 749,814.42, 1,123,309.26 and 370,291.08 is: 554,739.13
Step by Step Solution
- Step 1: Write the proportion equation
749,814.42 : 1,123,309.26 = 370,291.08 : x - Step 2: Convert to fraction form
749,814.42/1,123,309.26 = 370,291.08/x - Step 3: Cross multiply
749,814.42x = 1,123,309.26 × 370,291.08 - Step 4: Simplify right side
749,814.42x = 415,951,399,059.40 - Step 5: Solve for x
x = 415,951,399,059.40/749,814.42 - Step 6: Final answer
x = 554,739.13
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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.