Finding the Fourth Proportional to 946,432.32, 1,306,083.36 and 516,720.96
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Solution
The fourth proportional to 946,432.32, 1,306,083.36 and 516,720.96 is: 713,078.61
Step by Step Solution
- Step 1: Write the proportion equation
946,432.32 : 1,306,083.36 = 516,720.96 : x - Step 2: Convert to fraction form
946,432.32/1,306,083.36 = 516,720.96/x - Step 3: Cross multiply
946,432.32x = 1,306,083.36 × 516,720.96 - Step 4: Simplify right side
946,432.32x = 674,880,647,619.23 - Step 5: Solve for x
x = 674,880,647,619.23/946,432.32 - Step 6: Final answer
x = 713,078.61
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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.