Finding the Fourth Proportional to 519,239.10, 727,984.50 and 519,239.10
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Solution
The fourth proportional to 519,239.10, 727,984.50 and 519,239.10 is: 727,984.50
Step by Step Solution
- Step 1: Write the proportion equation
519,239.10 : 727,984.50 = 519,239.10 : x - Step 2: Convert to fraction form
519,239.10/727,984.50 = 519,239.10/x - Step 3: Cross multiply
519,239.10x = 727,984.50 × 519,239.10 - Step 4: Simplify right side
519,239.10x = 377,998,016,593.95 - Step 5: Solve for x
x = 377,998,016,593.95/519,239.10 - Step 6: Final answer
x = 727,984.50
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.