Finding the Fourth Proportional to 520,184.80, 779,110.80 and 426,872.80
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Solution
The fourth proportional to 520,184.80, 779,110.80 and 426,872.80 is: 639,352.03
Step by Step Solution
- Step 1: Write the proportion equation
520,184.80 : 779,110.80 = 426,872.80 : x - Step 2: Convert to fraction form
520,184.80/779,110.80 = 426,872.80/x - Step 3: Cross multiply
520,184.80x = 779,110.80 × 426,872.80 - Step 4: Simplify right side
520,184.80x = 332,581,208,706.24 - Step 5: Solve for x
x = 332,581,208,706.24/520,184.80 - Step 6: Final answer
x = 639,352.03
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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.