Finding the Fourth Proportional to 946,109.18, 1,305,621.30 and 516,385.58
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Solution
The fourth proportional to 946,109.18, 1,305,621.30 and 516,385.58 is: 712,606.99
Step by Step Solution
- Step 1: Write the proportion equation
946,109.18 : 1,305,621.30 = 516,385.58 : x - Step 2: Convert to fraction form
946,109.18/1,305,621.30 = 516,385.58/x - Step 3: Cross multiply
946,109.18x = 1,305,621.30 × 516,385.58 - Step 4: Simplify right side
946,109.18x = 674,204,012,260.85 - Step 5: Solve for x
x = 674,204,012,260.85/946,109.18 - Step 6: Final answer
x = 712,606.99
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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.