Finding the Fourth Proportional to 913,562.42, 1,260,676.40 and 505,639.94
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Solution
The fourth proportional to 913,562.42, 1,260,676.40 and 505,639.94 is: 697,761.12
Step by Step Solution
- Step 1: Write the proportion equation
913,562.42 : 1,260,676.40 = 505,639.94 : x - Step 2: Convert to fraction form
913,562.42/1,260,676.40 = 505,639.94/x - Step 3: Cross multiply
913,562.42x = 1,260,676.40 × 505,639.94 - Step 4: Simplify right side
913,562.42x = 637,448,339,255.42 - Step 5: Solve for x
x = 637,448,339,255.42/913,562.42 - Step 6: Final answer
x = 697,761.12
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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.