Finding the Fourth Proportional to 669,137.80, 922,134.02 and 656,838.76
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Solution
The fourth proportional to 669,137.80, 922,134.02 and 656,838.76 is: 905,184.80
Step by Step Solution
- Step 1: Write the proportion equation
669,137.80 : 922,134.02 = 656,838.76 : x - Step 2: Convert to fraction form
669,137.80/922,134.02 = 656,838.76/x - Step 3: Cross multiply
669,137.80x = 922,134.02 × 656,838.76 - Step 4: Simplify right side
669,137.80x = 605,693,366,250.62 - Step 5: Solve for x
x = 605,693,366,250.62/669,137.80 - Step 6: Final answer
x = 905,184.80
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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.