Finding the Fourth Proportional to 781,732.20, 1,177,853.58 and 706,936.80
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Solution
The fourth proportional to 781,732.20, 1,177,853.58 and 706,936.80 is: 1,065,157.66
Step by Step Solution
- Step 1: Write the proportion equation
781,732.20 : 1,177,853.58 = 706,936.80 : x - Step 2: Convert to fraction form
781,732.20/1,177,853.58 = 706,936.80/x - Step 3: Cross multiply
781,732.20x = 1,177,853.58 × 706,936.80 - Step 4: Simplify right side
781,732.20x = 832,668,040,713.74 - Step 5: Solve for x
x = 832,668,040,713.74/781,732.20 - Step 6: Final answer
x = 1,065,157.66
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.