Finding the Fourth Proportional to 930,381.10, 1,395,851.81 and 290,658.99
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Solution
The fourth proportional to 930,381.10, 1,395,851.81 and 290,658.99 is: 436,076.01
Step by Step Solution
- Step 1: Write the proportion equation
930,381.10 : 1,395,851.81 = 290,658.99 : x - Step 2: Convert to fraction form
930,381.10/1,395,851.81 = 290,658.99/x - Step 3: Cross multiply
930,381.10x = 1,395,851.81 × 290,658.99 - Step 4: Simplify right side
930,381.10x = 405,716,881,065.42 - Step 5: Solve for x
x = 405,716,881,065.42/930,381.10 - Step 6: Final answer
x = 436,076.01
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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.