Finding the Fourth Proportional to 669,531.67, 923,950.74 and 363,605.65
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Solution
The fourth proportional to 669,531.67, 923,950.74 and 363,605.65 is: 501,774.19
Step by Step Solution
- Step 1: Write the proportion equation
669,531.67 : 923,950.74 = 363,605.65 : x - Step 2: Convert to fraction form
669,531.67/923,950.74 = 363,605.65/x - Step 3: Cross multiply
669,531.67x = 923,950.74 × 363,605.65 - Step 4: Simplify right side
669,531.67x = 335,953,709,385.68 - Step 5: Solve for x
x = 335,953,709,385.68/669,531.67 - Step 6: Final answer
x = 501,774.19
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1.5x scale
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.