Finding the Fourth Proportional to 903,446.14, 1,353,362.39 and 543,418.19
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Solution
The fourth proportional to 903,446.14, 1,353,362.39 and 543,418.19 is: 814,040.49
Step by Step Solution
- Step 1: Write the proportion equation
903,446.14 : 1,353,362.39 = 543,418.19 : x - Step 2: Convert to fraction form
903,446.14/1,353,362.39 = 543,418.19/x - Step 3: Cross multiply
903,446.14x = 1,353,362.39 × 543,418.19 - Step 4: Simplify right side
903,446.14x = 735,441,740,387.87 - Step 5: Solve for x
x = 735,441,740,387.87/903,446.14 - Step 6: Final answer
x = 814,040.49
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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.