Finding the Fourth Proportional to 749,358.77, 1,034,114.37 and 405,193.88
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Solution
The fourth proportional to 749,358.77, 1,034,114.37 and 405,193.88 is: 559,167.15
Step by Step Solution
- Step 1: Write the proportion equation
749,358.77 : 1,034,114.37 = 405,193.88 : x - Step 2: Convert to fraction form
749,358.77/1,034,114.37 = 405,193.88/x - Step 3: Cross multiply
749,358.77x = 1,034,114.37 × 405,193.88 - Step 4: Simplify right side
749,358.77x = 419,016,808,773.48 - Step 5: Solve for x
x = 419,016,808,773.48/749,358.77 - Step 6: Final answer
x = 559,167.15
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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.