Finding the Fourth Proportional to 903,283.82, 1,246,441.84 and 521,433.62
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Solution
The fourth proportional to 903,283.82, 1,246,441.84 and 521,433.62 is: 719,526.54
Step by Step Solution
- Step 1: Write the proportion equation
903,283.82 : 1,246,441.84 = 521,433.62 : x - Step 2: Convert to fraction form
903,283.82/1,246,441.84 = 521,433.62/x - Step 3: Cross multiply
903,283.82x = 1,246,441.84 × 521,433.62 - Step 4: Simplify right side
903,283.82x = 649,936,680,750.66 - Step 5: Solve for x
x = 649,936,680,750.66/903,283.82 - Step 6: Final answer
x = 719,526.54
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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.