Finding the Fourth Proportional to 572,396.99, 789,868.27 and 317,728.13
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Solution
The fourth proportional to 572,396.99, 789,868.27 and 317,728.13 is: 438,442.85
Step by Step Solution
- Step 1: Write the proportion equation
572,396.99 : 789,868.27 = 317,728.13 : x - Step 2: Convert to fraction form
572,396.99/789,868.27 = 317,728.13/x - Step 3: Cross multiply
572,396.99x = 789,868.27 × 317,728.13 - Step 4: Simplify right side
572,396.99x = 250,963,368,373.44 - Step 5: Solve for x
x = 250,963,368,373.44/572,396.99 - Step 6: Final answer
x = 438,442.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.