Finding the Fourth Proportional to 572,005.27, 789,356.77 and 317,350.99
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Solution
The fourth proportional to 572,005.27, 789,356.77 and 317,350.99 is: 437,938.54
Step by Step Solution
- Step 1: Write the proportion equation
572,005.27 : 789,356.77 = 317,350.99 : x - Step 2: Convert to fraction form
572,005.27/789,356.77 = 317,350.99/x - Step 3: Cross multiply
572,005.27x = 789,356.77 × 317,350.99 - Step 4: Simplify right side
572,005.27x = 250,503,152,422.70 - Step 5: Solve for x
x = 250,503,152,422.70/572,005.27 - Step 6: Final answer
x = 437,938.54
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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.