Finding the Fourth Proportional to 569,315.67, 785,658.74 and 311,192.97
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Solution
The fourth proportional to 569,315.67, 785,658.74 and 311,192.97 is: 429,448.00
Step by Step Solution
- Step 1: Write the proportion equation
569,315.67 : 785,658.74 = 311,192.97 : x - Step 2: Convert to fraction form
569,315.67/785,658.74 = 311,192.97/x - Step 3: Cross multiply
569,315.67x = 785,658.74 × 311,192.97 - Step 4: Simplify right side
569,315.67x = 244,491,475,151.09 - Step 5: Solve for x
x = 244,491,475,151.09/569,315.67 - Step 6: Final answer
x = 429,448.00
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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.