Finding the Fourth Proportional to 1,059,587.91, 1,589,382.18 and 311,633.91
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Solution
The fourth proportional to 1,059,587.91, 1,589,382.18 and 311,633.91 is: 467,450.96
Step by Step Solution
- Step 1: Write the proportion equation
1,059,587.91 : 1,589,382.18 = 311,633.91 : x - Step 2: Convert to fraction form
1,059,587.91/1,589,382.18 = 311,633.91/x - Step 3: Cross multiply
1,059,587.91x = 1,589,382.18 × 311,633.91 - Step 4: Simplify right side
1,059,587.91x = 495,305,388,029.28 - Step 5: Solve for x
x = 495,305,388,029.28/1,059,587.91 - Step 6: Final answer
x = 467,450.96
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1.5x scale
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.