Finding the Fourth Proportional to 763,759.44, 1,145,694.51 and 231,321.99
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Solution
The fourth proportional to 763,759.44, 1,145,694.51 and 231,321.99 is: 346,999.75
Step by Step Solution
- Step 1: Write the proportion equation
763,759.44 : 1,145,694.51 = 231,321.99 : x - Step 2: Convert to fraction form
763,759.44/1,145,694.51 = 231,321.99/x - Step 3: Cross multiply
763,759.44x = 1,145,694.51 × 231,321.99 - Step 4: Simplify right side
763,759.44x = 265,024,333,985.28 - Step 5: Solve for x
x = 265,024,333,985.28/763,759.44 - Step 6: Final answer
x = 346,999.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.