Finding the Fourth Proportional to 634,881.92, 876,134.44 and 348,406.80
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Solution
The fourth proportional to 634,881.92, 876,134.44 and 348,406.80 is: 480,799.95
Step by Step Solution
- Step 1: Write the proportion equation
634,881.92 : 876,134.44 = 348,406.80 : x - Step 2: Convert to fraction form
634,881.92/876,134.44 = 348,406.80/x - Step 3: Cross multiply
634,881.92x = 876,134.44 × 348,406.80 - Step 4: Simplify right side
634,881.92x = 305,251,196,610.19 - Step 5: Solve for x
x = 305,251,196,610.19/634,881.92 - Step 6: Final answer
x = 480,799.95
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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.