Finding the Fourth Proportional to 634,869.97, 876,145.82 and 348,400.31
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Solution
The fourth proportional to 634,869.97, 876,145.82 and 348,400.31 is: 480,806.28
Step by Step Solution
- Step 1: Write the proportion equation
634,869.97 : 876,145.82 = 348,400.31 : x - Step 2: Convert to fraction form
634,869.97/876,145.82 = 348,400.31/x - Step 3: Cross multiply
634,869.97x = 876,145.82 × 348,400.31 - Step 4: Simplify right side
634,869.97x = 305,249,469,170.47 - Step 5: Solve for x
x = 305,249,469,170.47/634,869.97 - Step 6: Final answer
x = 480,806.28
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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.