Finding the Fourth Proportional to 461,423.70, 692,135.55 and 411,657.30
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Solution
The fourth proportional to 461,423.70, 692,135.55 and 411,657.30 is: 617,485.95
Step by Step Solution
- Step 1: Write the proportion equation
461,423.70 : 692,135.55 = 411,657.30 : x - Step 2: Convert to fraction form
461,423.70/692,135.55 = 411,657.30/x - Step 3: Cross multiply
461,423.70x = 692,135.55 × 411,657.30 - Step 4: Simplify right side
461,423.70x = 284,922,651,747.02 - Step 5: Solve for x
x = 284,922,651,747.02/461,423.70 - Step 6: Final answer
x = 617,485.95
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Similar ratio
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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.