Finding the Fourth Proportional to 493,757.80, 740,636.70 and 454,877.80
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Solution
The fourth proportional to 493,757.80, 740,636.70 and 454,877.80 is: 682,316.70
Step by Step Solution
- Step 1: Write the proportion equation
493,757.80 : 740,636.70 = 454,877.80 : x - Step 2: Convert to fraction form
493,757.80/740,636.70 = 454,877.80/x - Step 3: Cross multiply
493,757.80x = 740,636.70 × 454,877.80 - Step 4: Simplify right side
493,757.80x = 336,899,192,695.26 - Step 5: Solve for x
x = 336,899,192,695.26/493,757.80 - Step 6: Final answer
x = 682,316.70
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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.