Finding the Fourth Proportional to 634,832.28, 876,122.96 and 348,407.73
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Solution
The fourth proportional to 634,832.28, 876,122.96 and 348,407.73 is: 480,832.53
Step by Step Solution
- Step 1: Write the proportion equation
634,832.28 : 876,122.96 = 348,407.73 : x - Step 2: Convert to fraction form
634,832.28/876,122.96 = 348,407.73/x - Step 3: Cross multiply
634,832.28x = 876,122.96 × 348,407.73 - Step 4: Simplify right side
634,832.28x = 305,248,009,952.44 - Step 5: Solve for x
x = 305,248,009,952.44/634,832.28 - Step 6: Final answer
x = 480,832.53
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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.