Finding the Fourth Proportional to 543,449.36, 749,983.56 and 301,731.98
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Solution
The fourth proportional to 543,449.36, 749,983.56 and 301,731.98 is: 416,403.15
Step by Step Solution
- Step 1: Write the proportion equation
543,449.36 : 749,983.56 = 301,731.98 : x - Step 2: Convert to fraction form
543,449.36/749,983.56 = 301,731.98/x - Step 3: Cross multiply
543,449.36x = 749,983.56 × 301,731.98 - Step 4: Simplify right side
543,449.36x = 226,294,024,526.25 - Step 5: Solve for x
x = 226,294,024,526.25/543,449.36 - Step 6: Final answer
x = 416,403.15
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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.