Finding the Fourth Proportional to 677,932.92, 935,544.84 and 372,014.42
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Solution
The fourth proportional to 677,932.92, 935,544.84 and 372,014.42 is: 513,378.48
Step by Step Solution
- Step 1: Write the proportion equation
677,932.92 : 935,544.84 = 372,014.42 : x - Step 2: Convert to fraction form
677,932.92/935,544.84 = 372,014.42/x - Step 3: Cross multiply
677,932.92x = 935,544.84 × 372,014.42 - Step 4: Simplify right side
677,932.92x = 348,036,171,036.59 - Step 5: Solve for x
x = 348,036,171,036.59/677,932.92 - Step 6: Final answer
x = 513,378.48
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1.5x scale
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.