Finding the Fourth Proportional to 723,763.88, 1,085,652.84 and 274,364
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Solution
The fourth proportional to 723,763.88, 1,085,652.84 and 274,364 is: 411,548.66
Step by Step Solution
- Step 1: Write the proportion equation
723,763.88 : 1,085,652.84 = 274,364 : x - Step 2: Convert to fraction form
723,763.88/1,085,652.84 = 274,364/x - Step 3: Cross multiply
723,763.88x = 1,085,652.84 × 274,364 - Step 4: Simplify right side
723,763.88x = 297,864,055,793.76 - Step 5: Solve for x
x = 297,864,055,793.76/723,763.88 - Step 6: Final answer
x = 411,548.66
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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.