Finding the Fourth Proportional to 696,464.88, 960,623.88 and 639,285.84
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Solution
The fourth proportional to 696,464.88, 960,623.88 and 639,285.84 is: 881,757.66
Step by Step Solution
- Step 1: Write the proportion equation
696,464.88 : 960,623.88 = 639,285.84 : x - Step 2: Convert to fraction form
696,464.88/960,623.88 = 639,285.84/x - Step 3: Cross multiply
696,464.88x = 960,623.88 × 639,285.84 - Step 4: Simplify right side
696,464.88x = 614,113,244,049.86 - Step 5: Solve for x
x = 614,113,244,049.86/696,464.88 - Step 6: Final answer
x = 881,757.66
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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.