Finding the Fourth Proportional to 930,553.38, 1,395,837.09 and 509,599.62
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Solution
The fourth proportional to 930,553.38, 1,395,837.09 and 509,599.62 is: 764,403.27
Step by Step Solution
- Step 1: Write the proportion equation
930,553.38 : 1,395,837.09 = 509,599.62 : x - Step 2: Convert to fraction form
930,553.38/1,395,837.09 = 509,599.62/x - Step 3: Cross multiply
930,553.38x = 1,395,837.09 × 509,599.62 - Step 4: Simplify right side
930,553.38x = 711,318,050,645.91 - Step 5: Solve for x
x = 711,318,050,645.91/930,553.38 - Step 6: Final answer
x = 764,403.27
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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.