Finding the Fourth Proportional to 634,765.06, 875,975.69 and 362,838.79
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Solution
The fourth proportional to 634,765.06, 875,975.69 and 362,838.79 is: 500,717.48
Step by Step Solution
- Step 1: Write the proportion equation
634,765.06 : 875,975.69 = 362,838.79 : x - Step 2: Convert to fraction form
634,765.06/875,975.69 = 362,838.79/x - Step 3: Cross multiply
634,765.06x = 875,975.69 × 362,838.79 - Step 4: Simplify right side
634,765.06x = 317,837,960,410.60 - Step 5: Solve for x
x = 317,837,960,410.60/634,765.06 - Step 6: Final answer
x = 500,717.48
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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.