Finding the Fourth Proportional to 543,781.08, 750,115.53 and 505,293.26
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Solution
The fourth proportional to 543,781.08, 750,115.53 and 505,293.26 is: 697,023.73
Step by Step Solution
- Step 1: Write the proportion equation
543,781.08 : 750,115.53 = 505,293.26 : x - Step 2: Convert to fraction form
543,781.08/750,115.53 = 505,293.26/x - Step 3: Cross multiply
543,781.08x = 750,115.53 × 505,293.26 - Step 4: Simplify right side
543,781.08x = 379,028,317,779.75 - Step 5: Solve for x
x = 379,028,317,779.75/543,781.08 - Step 6: Final answer
x = 697,023.73
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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.