Finding the Fourth Proportional to 786,324.70, 1,177,737.45 and 646,356.70
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Solution
The fourth proportional to 786,324.70, 1,177,737.45 and 646,356.70 is: 968,096.88
Step by Step Solution
- Step 1: Write the proportion equation
786,324.70 : 1,177,737.45 = 646,356.70 : x - Step 2: Convert to fraction form
786,324.70/1,177,737.45 = 646,356.70/x - Step 3: Cross multiply
786,324.70x = 1,177,737.45 × 646,356.70 - Step 4: Simplify right side
786,324.70x = 761,238,491,648.42 - Step 5: Solve for x
x = 761,238,491,648.42/786,324.70 - Step 6: Final answer
x = 968,096.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.