Finding the Fourth Proportional to 539,539.92, 744,515.82 and 345,603.92
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Solution
The fourth proportional to 539,539.92, 744,515.82 and 345,603.92 is: 476,901.84
Step by Step Solution
- Step 1: Write the proportion equation
539,539.92 : 744,515.82 = 345,603.92 : x - Step 2: Convert to fraction form
539,539.92/744,515.82 = 345,603.92/x - Step 3: Cross multiply
539,539.92x = 744,515.82 × 345,603.92 - Step 4: Simplify right side
539,539.92x = 257,307,582,171.44 - Step 5: Solve for x
x = 257,307,582,171.44/539,539.92 - Step 6: Final answer
x = 476,901.84
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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.