Finding the Fourth Proportional to 503,704.55, 695,124.73 and 274,274.40
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Solution
The fourth proportional to 503,704.55, 695,124.73 and 274,274.40 is: 378,505.45
Step by Step Solution
- Step 1: Write the proportion equation
503,704.55 : 695,124.73 = 274,274.40 : x - Step 2: Convert to fraction form
503,704.55/695,124.73 = 274,274.40/x - Step 3: Cross multiply
503,704.55x = 695,124.73 × 274,274.40 - Step 4: Simplify right side
503,704.55x = 190,654,917,560.23 - Step 5: Solve for x
x = 190,654,917,560.23/503,704.55 - Step 6: Final answer
x = 378,505.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.