Finding the Fourth Proportional to 859,757.12, 1,287,954.06 and 708,171.84
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Solution
The fourth proportional to 859,757.12, 1,287,954.06 and 708,171.84 is: 1,060,872.63
Step by Step Solution
- Step 1: Write the proportion equation
859,757.12 : 1,287,954.06 = 708,171.84 : x - Step 2: Convert to fraction form
859,757.12/1,287,954.06 = 708,171.84/x - Step 3: Cross multiply
859,757.12x = 1,287,954.06 × 708,171.84 - Step 4: Simplify right side
859,757.12x = 912,092,796,505.67 - Step 5: Solve for x
x = 912,092,796,505.67/859,757.12 - Step 6: Final answer
x = 1,060,872.63
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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.