Finding the Fourth Proportional to 802,789.12, 1,106,940.96 and 512,011.84
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Solution
The fourth proportional to 802,789.12, 1,106,940.96 and 512,011.84 is: 705,997.21
Step by Step Solution
- Step 1: Write the proportion equation
802,789.12 : 1,106,940.96 = 512,011.84 : x - Step 2: Convert to fraction form
802,789.12/1,106,940.96 = 512,011.84/x - Step 3: Cross multiply
802,789.12x = 1,106,940.96 × 512,011.84 - Step 4: Simplify right side
802,789.12x = 566,766,877,700.97 - Step 5: Solve for x
x = 566,766,877,700.97/802,789.12 - Step 6: Final answer
x = 705,997.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.