Finding the Fourth Proportional to 747,805.20, 1,121,472.48 and 242,248.88
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Solution
The fourth proportional to 747,805.20, 1,121,472.48 and 242,248.88 is: 363,297.09
Step by Step Solution
- Step 1: Write the proportion equation
747,805.20 : 1,121,472.48 = 242,248.88 : x - Step 2: Convert to fraction form
747,805.20/1,121,472.48 = 242,248.88/x - Step 3: Cross multiply
747,805.20x = 1,121,472.48 × 242,248.88 - Step 4: Simplify right side
747,805.20x = 271,675,452,230.82 - Step 5: Solve for x
x = 271,675,452,230.82/747,805.20 - Step 6: Final answer
x = 363,297.09
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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.