Finding the Fourth Proportional to 669,434.14, 923,819.07 and 363,509.02
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Solution
The fourth proportional to 669,434.14, 923,819.07 and 363,509.02 is: 501,642.42
Step by Step Solution
- Step 1: Write the proportion equation
669,434.14 : 923,819.07 = 363,509.02 : x - Step 2: Convert to fraction form
669,434.14/923,819.07 = 363,509.02/x - Step 3: Cross multiply
669,434.14x = 923,819.07 × 363,509.02 - Step 4: Simplify right side
669,434.14x = 335,816,564,793.01 - Step 5: Solve for x
x = 335,816,564,793.01/669,434.14 - Step 6: Final answer
x = 501,642.42
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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.