Finding the Fourth Proportional to 758,232.57, 1,136,787.06 and 358,406.14
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Solution
The fourth proportional to 758,232.57, 1,136,787.06 and 358,406.14 is: 537,343.66
Step by Step Solution
- Step 1: Write the proportion equation
758,232.57 : 1,136,787.06 = 358,406.14 : x - Step 2: Convert to fraction form
758,232.57/1,136,787.06 = 358,406.14/x - Step 3: Cross multiply
758,232.57x = 1,136,787.06 × 358,406.14 - Step 4: Simplify right side
758,232.57x = 407,431,462,176.55 - Step 5: Solve for x
x = 407,431,462,176.55/758,232.57 - Step 6: Final answer
x = 537,343.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.