Finding the Fourth Proportional to 696,018.08, 960,639.66 and 453,880.28
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Solution
The fourth proportional to 696,018.08, 960,639.66 and 453,880.28 is: 626,442.62
Step by Step Solution
- Step 1: Write the proportion equation
696,018.08 : 960,639.66 = 453,880.28 : x - Step 2: Convert to fraction form
696,018.08/960,639.66 = 453,880.28/x - Step 3: Cross multiply
696,018.08x = 960,639.66 × 453,880.28 - Step 4: Simplify right side
696,018.08x = 436,015,390,787.31 - Step 5: Solve for x
x = 436,015,390,787.31/696,018.08 - Step 6: Final answer
x = 626,442.62
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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.