Finding the Fourth Proportional to 691,544, 1,037,724.24 and 292,158.92
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Solution
The fourth proportional to 691,544, 1,037,724.24 and 292,158.92 is: 438,410.85
Step by Step Solution
- Step 1: Write the proportion equation
691,544 : 1,037,724.24 = 292,158.92 : x - Step 2: Convert to fraction form
691,544/1,037,724.24 = 292,158.92/x - Step 3: Cross multiply
691,544x = 1,037,724.24 × 292,158.92 - Step 4: Simplify right side
691,544x = 303,180,393,216.22 - Step 5: Solve for x
x = 303,180,393,216.22/691,544 - Step 6: Final answer
x = 438,410.85
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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.