Finding the Fourth Proportional to 655,857.06, 981,563.58 and 403,297.56
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Solution
The fourth proportional to 655,857.06, 981,563.58 and 403,297.56 is: 603,579.99
Step by Step Solution
- Step 1: Write the proportion equation
655,857.06 : 981,563.58 = 403,297.56 : x - Step 2: Convert to fraction form
655,857.06/981,563.58 = 403,297.56/x - Step 3: Cross multiply
655,857.06x = 981,563.58 × 403,297.56 - Step 4: Simplify right side
655,857.06x = 395,862,196,798.87 - Step 5: Solve for x
x = 395,862,196,798.87/655,857.06 - Step 6: Final answer
x = 603,579.99
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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.