Finding the Fourth Proportional to 564,660.20, 779,232.40 and 310,027.80
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Solution
The fourth proportional to 564,660.20, 779,232.40 and 310,027.80 is: 427,839.09
Step by Step Solution
- Step 1: Write the proportion equation
564,660.20 : 779,232.40 = 310,027.80 : x - Step 2: Convert to fraction form
564,660.20/779,232.40 = 310,027.80/x - Step 3: Cross multiply
564,660.20x = 779,232.40 × 310,027.80 - Step 4: Simplify right side
564,660.20x = 241,583,706,660.72 - Step 5: Solve for x
x = 241,583,706,660.72/564,660.20 - Step 6: Final answer
x = 427,839.09
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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.