Finding the Fourth Proportional to 1,148,469.63, 1,722,573.12 and 307,086.99
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Solution
The fourth proportional to 1,148,469.63, 1,722,573.12 and 307,086.99 is: 460,595.37
Step by Step Solution
- Step 1: Write the proportion equation
1,148,469.63 : 1,722,573.12 = 307,086.99 : x - Step 2: Convert to fraction form
1,148,469.63/1,722,573.12 = 307,086.99/x - Step 3: Cross multiply
1,148,469.63x = 1,722,573.12 × 307,086.99 - Step 4: Simplify right side
1,148,469.63x = 528,979,794,475.71 - Step 5: Solve for x
x = 528,979,794,475.71/1,148,469.63 - Step 6: Final answer
x = 460,595.37
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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.