Finding the Fourth Proportional to 634,898.14, 876,184.68 and 348,428.56
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Solution
The fourth proportional to 634,898.14, 876,184.68 and 348,428.56 is: 480,845.27
Step by Step Solution
- Step 1: Write the proportion equation
634,898.14 : 876,184.68 = 348,428.56 : x - Step 2: Convert to fraction form
634,898.14/876,184.68 = 348,428.56/x - Step 3: Cross multiply
634,898.14x = 876,184.68 × 348,428.56 - Step 4: Simplify right side
634,898.14x = 305,287,766,346.46 - Step 5: Solve for x
x = 305,287,766,346.46/634,898.14 - Step 6: Final answer
x = 480,845.27
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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.