Finding the Fourth Proportional to 696,583.73, 960,395.62 and 451,134.79
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Solution
The fourth proportional to 696,583.73, 960,395.62 and 451,134.79 is: 621,989.65
Step by Step Solution
- Step 1: Write the proportion equation
696,583.73 : 960,395.62 = 451,134.79 : x - Step 2: Convert to fraction form
696,583.73/960,395.62 = 451,134.79/x - Step 3: Cross multiply
696,583.73x = 960,395.62 × 451,134.79 - Step 4: Simplify right side
696,583.73x = 433,267,872,816.79 - Step 5: Solve for x
x = 433,267,872,816.79/696,583.73 - Step 6: Final answer
x = 621,989.65
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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.