Finding the Fourth Proportional to 913,668.74, 1,260,847.54 and 505,761.84
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Solution
The fourth proportional to 913,668.74, 1,260,847.54 and 505,761.84 is: 697,942.86
Step by Step Solution
- Step 1: Write the proportion equation
913,668.74 : 1,260,847.54 = 505,761.84 : x - Step 2: Convert to fraction form
913,668.74/1,260,847.54 = 505,761.84/x - Step 3: Cross multiply
913,668.74x = 1,260,847.54 × 505,761.84 - Step 4: Simplify right side
913,668.74x = 637,688,571,789.87 - Step 5: Solve for x
x = 637,688,571,789.87/913,668.74 - Step 6: Final answer
x = 697,942.86
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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.