Finding the Fourth Proportional to 722,966.96, 1,077,986.92 and 703,104.09
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Solution
The fourth proportional to 722,966.96, 1,077,986.92 and 703,104.09 is: 1,048,370.20
Step by Step Solution
- Step 1: Write the proportion equation
722,966.96 : 1,077,986.92 = 703,104.09 : x - Step 2: Convert to fraction form
722,966.96/1,077,986.92 = 703,104.09/x - Step 3: Cross multiply
722,966.96x = 1,077,986.92 × 703,104.09 - Step 4: Simplify right side
722,966.96x = 757,937,009,650.13 - Step 5: Solve for x
x = 757,937,009,650.13/722,966.96 - Step 6: Final answer
x = 1,048,370.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.