Finding the Fourth Proportional to 908,811.34, 1,363,220.26 and 277,722.52
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Solution
The fourth proportional to 908,811.34, 1,363,220.26 and 277,722.52 is: 416,584.77
Step by Step Solution
- Step 1: Write the proportion equation
908,811.34 : 1,363,220.26 = 277,722.52 : x - Step 2: Convert to fraction form
908,811.34/1,363,220.26 = 277,722.52/x - Step 3: Cross multiply
908,811.34x = 1,363,220.26 × 277,722.52 - Step 4: Simplify right side
908,811.34x = 378,596,965,922.26 - Step 5: Solve for x
x = 378,596,965,922.26/908,811.34 - Step 6: Final answer
x = 416,584.77
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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.