Finding the Fourth Proportional to 1,289,904.48, 1,934,850.63 and 330,358.26
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Solution
The fourth proportional to 1,289,904.48, 1,934,850.63 and 330,358.26 is: 495,535.83
Step by Step Solution
- Step 1: Write the proportion equation
1,289,904.48 : 1,934,850.63 = 330,358.26 : x - Step 2: Convert to fraction form
1,289,904.48/1,934,850.63 = 330,358.26/x - Step 3: Cross multiply
1,289,904.48x = 1,934,850.63 × 330,358.26 - Step 4: Simplify right side
1,289,904.48x = 639,193,887,486.70 - Step 5: Solve for x
x = 639,193,887,486.70/1,289,904.48 - Step 6: Final answer
x = 495,535.83
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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.