Finding the Fourth Proportional to 804,948.90, 1,207,423.35 and 521,513.70
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Solution
The fourth proportional to 804,948.90, 1,207,423.35 and 521,513.70 is: 782,270.55
Step by Step Solution
- Step 1: Write the proportion equation
804,948.90 : 1,207,423.35 = 521,513.70 : x - Step 2: Convert to fraction form
804,948.90/1,207,423.35 = 521,513.70/x - Step 3: Cross multiply
804,948.90x = 1,207,423.35 × 521,513.70 - Step 4: Simplify right side
804,948.90x = 629,687,818,724.90 - Step 5: Solve for x
x = 629,687,818,724.90/804,948.90 - Step 6: Final answer
x = 782,270.55
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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.