Finding the Fourth Proportional to 572,118.79, 789,560.81 and 317,469.98
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Solution
The fourth proportional to 572,118.79, 789,560.81 and 317,469.98 is: 438,129.03
Step by Step Solution
- Step 1: Write the proportion equation
572,118.79 : 789,560.81 = 317,469.98 : x - Step 2: Convert to fraction form
572,118.79/789,560.81 = 317,469.98/x - Step 3: Cross multiply
572,118.79x = 789,560.81 × 317,469.98 - Step 4: Simplify right side
572,118.79x = 250,661,849,024.33 - Step 5: Solve for x
x = 250,661,849,024.33/572,118.79 - Step 6: Final answer
x = 438,129.03
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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.