Finding the Fourth Proportional to 750.41, 1,125.20 and 288.09
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Solution
The fourth proportional to 750.41, 1,125.20 and 288.09 is: 431.97
Step by Step Solution
- Step 1: Write the proportion equation
750.41 : 1,125.20 = 288.09 : x - Step 2: Convert to fraction form
750.41/1,125.20 = 288.09/x - Step 3: Cross multiply
750.41x = 1,125.20 × 288.09 - Step 4: Simplify right side
750.41x = 324,153.24 - Step 5: Solve for x
x = 324,153.24/750.41 - Step 6: Final answer
x = 431.97
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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.