Finding the Fourth Proportional to 720,108.10, 1,079,148.02 and 550,973.62
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Solution
The fourth proportional to 720,108.10, 1,079,148.02 and 550,973.62 is: 825,684.49
Step by Step Solution
- Step 1: Write the proportion equation
720,108.10 : 1,079,148.02 = 550,973.62 : x - Step 2: Convert to fraction form
720,108.10/1,079,148.02 = 550,973.62/x - Step 3: Cross multiply
720,108.10x = 1,079,148.02 × 550,973.62 - Step 4: Simplify right side
720,108.10x = 594,582,091,095.23 - Step 5: Solve for x
x = 594,582,091,095.23/720,108.10 - Step 6: Final answer
x = 825,684.49
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1.5x scale
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.