Finding the Fourth Proportional to 749,964.08, 1,034,948.33 and 405,805.84
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Solution
The fourth proportional to 749,964.08, 1,034,948.33 and 405,805.84 is: 560,010.92
Step by Step Solution
- Step 1: Write the proportion equation
749,964.08 : 1,034,948.33 = 405,805.84 : x - Step 2: Convert to fraction form
749,964.08/1,034,948.33 = 405,805.84/x - Step 3: Cross multiply
749,964.08x = 1,034,948.33 × 405,805.84 - Step 4: Simplify right side
749,964.08x = 419,988,073,570.86 - Step 5: Solve for x
x = 419,988,073,570.86/749,964.08 - Step 6: Final answer
x = 560,010.92
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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.