Finding the Fourth Proportional to 634,328.58, 875,398.68 and 347,858.94
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Solution
The fourth proportional to 634,328.58, 875,398.68 and 347,858.94 is: 480,059.18
Step by Step Solution
- Step 1: Write the proportion equation
634,328.58 : 875,398.68 = 347,858.94 : x - Step 2: Convert to fraction form
634,328.58/875,398.68 = 347,858.94/x - Step 3: Cross multiply
634,328.58x = 875,398.68 × 347,858.94 - Step 4: Simplify right side
634,328.58x = 304,515,256,902.20 - Step 5: Solve for x
x = 304,515,256,902.20/634,328.58 - Step 6: Final answer
x = 480,059.18
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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.