Finding the Fourth Proportional to 749,682.67, 1,034,558.98 and 405,518.80
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Solution
The fourth proportional to 749,682.67, 1,034,558.98 and 405,518.80 is: 559,614.26
Step by Step Solution
- Step 1: Write the proportion equation
749,682.67 : 1,034,558.98 = 405,518.80 : x - Step 2: Convert to fraction form
749,682.67/1,034,558.98 = 405,518.80/x - Step 3: Cross multiply
749,682.67x = 1,034,558.98 × 405,518.80 - Step 4: Simplify right side
749,682.67x = 419,533,116,098.82 - Step 5: Solve for x
x = 419,533,116,098.82/749,682.67 - Step 6: Final answer
x = 559,614.26
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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.