Finding the Fourth Proportional to 946,465.44, 1,306,071.36 and 516,739.20
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Solution
The fourth proportional to 946,465.44, 1,306,071.36 and 516,739.20 is: 713,072.28
Step by Step Solution
- Step 1: Write the proportion equation
946,465.44 : 1,306,071.36 = 516,739.20 : x - Step 2: Convert to fraction form
946,465.44/1,306,071.36 = 516,739.20/x - Step 3: Cross multiply
946,465.44x = 1,306,071.36 × 516,739.20 - Step 4: Simplify right side
946,465.44x = 674,898,269,709.31 - Step 5: Solve for x
x = 674,898,269,709.31/946,465.44 - Step 6: Final answer
x = 713,072.28
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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.