Finding the Fourth Proportional to 983,609.70, 1,475,414.55 and 894,963.30
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Solution
The fourth proportional to 983,609.70, 1,475,414.55 and 894,963.30 is: 1,342,444.95
Step by Step Solution
- Step 1: Write the proportion equation
983,609.70 : 1,475,414.55 = 894,963.30 : x - Step 2: Convert to fraction form
983,609.70/1,475,414.55 = 894,963.30/x - Step 3: Cross multiply
983,609.70x = 1,475,414.55 × 894,963.30 - Step 4: Simplify right side
983,609.70x = 1,320,441,874,536.02 - Step 5: Solve for x
x = 1,320,441,874,536.02/983,609.70 - Step 6: Final answer
x = 1,342,444.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.