Finding the Fourth Proportional to 547,266.70, 819,344.85 and 485,058.70
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Solution
The fourth proportional to 547,266.70, 819,344.85 and 485,058.70 is: 726,209.63
Step by Step Solution
- Step 1: Write the proportion equation
547,266.70 : 819,344.85 = 485,058.70 : x - Step 2: Convert to fraction form
547,266.70/819,344.85 = 485,058.70/x - Step 3: Cross multiply
547,266.70x = 819,344.85 × 485,058.70 - Step 4: Simplify right side
547,266.70x = 397,430,347,792.70 - Step 5: Solve for x
x = 397,430,347,792.70/547,266.70 - Step 6: Final answer
x = 726,209.63
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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.