Finding the Fourth Proportional to 559,388.68, 771,961.68 and 317,676.28
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Solution
The fourth proportional to 559,388.68, 771,961.68 and 317,676.28 is: 438,396.28
Step by Step Solution
- Step 1: Write the proportion equation
559,388.68 : 771,961.68 = 317,676.28 : x - Step 2: Convert to fraction form
559,388.68/771,961.68 = 317,676.28/x - Step 3: Cross multiply
559,388.68x = 771,961.68 × 317,676.28 - Step 4: Simplify right side
559,388.68x = 245,233,914,804.95 - Step 5: Solve for x
x = 245,233,914,804.95/559,388.68 - Step 6: Final answer
x = 438,396.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.