Finding the Fourth Proportional to 461,750.20, 692,625.30 and 411,983.80
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Solution
The fourth proportional to 461,750.20, 692,625.30 and 411,983.80 is: 617,975.70
Step by Step Solution
- Step 1: Write the proportion equation
461,750.20 : 692,625.30 = 411,983.80 : x - Step 2: Convert to fraction form
461,750.20/692,625.30 = 411,983.80/x - Step 3: Cross multiply
461,750.20x = 692,625.30 × 411,983.80 - Step 4: Simplify right side
461,750.20x = 285,350,403,070.14 - Step 5: Solve for x
x = 285,350,403,070.14/461,750.20 - Step 6: Final answer
x = 617,975.70
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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.