Finding the Fourth Proportional to 804,956.90, 1,207,435.35 and 521,521.70
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Solution
The fourth proportional to 804,956.90, 1,207,435.35 and 521,521.70 is: 782,282.55
Step by Step Solution
- Step 1: Write the proportion equation
804,956.90 : 1,207,435.35 = 521,521.70 : x - Step 2: Convert to fraction form
804,956.90/1,207,435.35 = 521,521.70/x - Step 3: Cross multiply
804,956.90x = 1,207,435.35 × 521,521.70 - Step 4: Simplify right side
804,956.90x = 629,703,736,372.10 - Step 5: Solve for x
x = 629,703,736,372.10/804,956.90 - Step 6: Final answer
x = 782,282.55
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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.