Finding the Fourth Proportional to 625,716.84, 938,854.36 and 288,576.52
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Solution
The fourth proportional to 625,716.84, 938,854.36 and 288,576.52 is: 432,993.50
Step by Step Solution
- Step 1: Write the proportion equation
625,716.84 : 938,854.36 = 288,576.52 : x - Step 2: Convert to fraction form
625,716.84/938,854.36 = 288,576.52/x - Step 3: Cross multiply
625,716.84x = 938,854.36 × 288,576.52 - Step 4: Simplify right side
625,716.84x = 270,931,323,995.63 - Step 5: Solve for x
x = 270,931,323,995.63/625,716.84 - Step 6: Final answer
x = 432,993.50
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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.