Finding the Fourth Proportional to 634,869.06, 876,130.02 and 348,415.80
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Solution
The fourth proportional to 634,869.06, 876,130.02 and 348,415.80 is: 480,819.69
Step by Step Solution
- Step 1: Write the proportion equation
634,869.06 : 876,130.02 = 348,415.80 : x - Step 2: Convert to fraction form
634,869.06/876,130.02 = 348,415.80/x - Step 3: Cross multiply
634,869.06x = 876,130.02 × 348,415.80 - Step 4: Simplify right side
634,869.06x = 305,257,541,822.32 - Step 5: Solve for x
x = 305,257,541,822.32/634,869.06 - Step 6: Final answer
x = 480,819.69
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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.