Finding the Fourth Proportional to 669,717.29, 923,841.79 and 424,252.53
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Solution
The fourth proportional to 669,717.29, 923,841.79 and 424,252.53 is: 585,235.32
Step by Step Solution
- Step 1: Write the proportion equation
669,717.29 : 923,841.79 = 424,252.53 : x - Step 2: Convert to fraction form
669,717.29/923,841.79 = 424,252.53/x - Step 3: Cross multiply
669,717.29x = 923,841.79 × 424,252.53 - Step 4: Simplify right side
669,717.29x = 391,942,215,666.60 - Step 5: Solve for x
x = 391,942,215,666.60/669,717.29 - Step 6: Final answer
x = 585,235.32
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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.