Finding the Fourth Proportional to 669,366.71, 923,742.11 and 363,455.99
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Solution
The fourth proportional to 669,366.71, 923,742.11 and 363,455.99 is: 501,577.97
Step by Step Solution
- Step 1: Write the proportion equation
669,366.71 : 923,742.11 = 363,455.99 : x - Step 2: Convert to fraction form
669,366.71/923,742.11 = 363,455.99/x - Step 3: Cross multiply
669,366.71x = 923,742.11 × 363,455.99 - Step 4: Simplify right side
669,366.71x = 335,739,599,384.67 - Step 5: Solve for x
x = 335,739,599,384.67/669,366.71 - Step 6: Final answer
x = 501,577.97
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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.