Finding the Fourth Proportional to 708,982.68, 1,060,975.92 and 442,868.52
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Solution
The fourth proportional to 708,982.68, 1,060,975.92 and 442,868.52 is: 662,742.33
Step by Step Solution
- Step 1: Write the proportion equation
708,982.68 : 1,060,975.92 = 442,868.52 : x - Step 2: Convert to fraction form
708,982.68/1,060,975.92 = 442,868.52/x - Step 3: Cross multiply
708,982.68x = 1,060,975.92 × 442,868.52 - Step 4: Simplify right side
708,982.68x = 469,872,835,446.04 - Step 5: Solve for x
x = 469,872,835,446.04/708,982.68 - Step 6: Final answer
x = 662,742.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.