Finding the Fourth Proportional to 681,103.59, 1,020,080.70 and 657,483.99
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Solution
The fourth proportional to 681,103.59, 1,020,080.70 and 657,483.99 is: 984,705.91
Step by Step Solution
- Step 1: Write the proportion equation
681,103.59 : 1,020,080.70 = 657,483.99 : x - Step 2: Convert to fraction form
681,103.59/1,020,080.70 = 657,483.99/x - Step 3: Cross multiply
681,103.59x = 1,020,080.70 × 657,483.99 - Step 4: Simplify right side
681,103.59x = 670,686,728,757.99 - Step 5: Solve for x
x = 670,686,728,757.99/681,103.59 - Step 6: Final answer
x = 984,705.91
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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.