Finding the Fourth Proportional to 788,987.58, 1,183,481.36 and 655,963.30
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Solution
The fourth proportional to 788,987.58, 1,183,481.36 and 655,963.30 is: 983,944.94
Step by Step Solution
- Step 1: Write the proportion equation
788,987.58 : 1,183,481.36 = 655,963.30 : x - Step 2: Convert to fraction form
788,987.58/1,183,481.36 = 655,963.30/x - Step 3: Cross multiply
788,987.58x = 1,183,481.36 × 655,963.30 - Step 4: Simplify right side
788,987.58x = 776,320,338,394.09 - Step 5: Solve for x
x = 776,320,338,394.09/788,987.58 - Step 6: Final answer
x = 983,944.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.