Finding the Fourth Proportional to 702,625.81, 969,622.81 and 380,335.82
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Solution
The fourth proportional to 702,625.81, 969,622.81 and 380,335.82 is: 524,862.99
Step by Step Solution
- Step 1: Write the proportion equation
702,625.81 : 969,622.81 = 380,335.82 : x - Step 2: Convert to fraction form
702,625.81/969,622.81 = 380,335.82/x - Step 3: Cross multiply
702,625.81x = 969,622.81 × 380,335.82 - Step 4: Simplify right side
702,625.81x = 368,782,286,532.05 - Step 5: Solve for x
x = 368,782,286,532.05/702,625.81 - Step 6: Final answer
x = 524,862.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.