Finding the Fourth Proportional to 516,072.60, 774,108.90 and 327,115.80
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Solution
The fourth proportional to 516,072.60, 774,108.90 and 327,115.80 is: 490,673.70
Step by Step Solution
- Step 1: Write the proportion equation
516,072.60 : 774,108.90 = 327,115.80 : x - Step 2: Convert to fraction form
516,072.60/774,108.90 = 327,115.80/x - Step 3: Cross multiply
516,072.60x = 774,108.90 × 327,115.80 - Step 4: Simplify right side
516,072.60x = 253,223,252,110.62 - Step 5: Solve for x
x = 253,223,252,110.62/516,072.60 - Step 6: Final answer
x = 490,673.70
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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.