Finding the Fourth Proportional to 943,102.10, 1,301,481.05 and 513,385.46
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Solution
The fourth proportional to 943,102.10, 1,301,481.05 and 513,385.46 is: 708,472.01
Step by Step Solution
- Step 1: Write the proportion equation
943,102.10 : 1,301,481.05 = 513,385.46 : x - Step 2: Convert to fraction form
943,102.10/1,301,481.05 = 513,385.46/x - Step 3: Cross multiply
943,102.10x = 1,301,481.05 × 513,385.46 - Step 4: Simplify right side
943,102.10x = 668,161,442,311.59 - Step 5: Solve for x
x = 668,161,442,311.59/943,102.10 - Step 6: Final answer
x = 708,472.01
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1.5x scale
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.