Finding the Fourth Proportional to 958,538.70, 1,438,012.17 and 284,621.94
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Solution
The fourth proportional to 958,538.70, 1,438,012.17 and 284,621.94 is: 426,993.52
Step by Step Solution
- Step 1: Write the proportion equation
958,538.70 : 1,438,012.17 = 284,621.94 : x - Step 2: Convert to fraction form
958,538.70/1,438,012.17 = 284,621.94/x - Step 3: Cross multiply
958,538.70x = 1,438,012.17 × 284,621.94 - Step 4: Simplify right side
958,538.70x = 409,289,813,569.01 - Step 5: Solve for x
x = 409,289,813,569.01/958,538.70 - Step 6: Final answer
x = 426,993.52
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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.