Finding the Fourth Proportional to 739,764.12, 1,020,874.14 and 417,541.80
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Solution
The fourth proportional to 739,764.12, 1,020,874.14 and 417,541.80 is: 576,207.49
Step by Step Solution
- Step 1: Write the proportion equation
739,764.12 : 1,020,874.14 = 417,541.80 : x - Step 2: Convert to fraction form
739,764.12/1,020,874.14 = 417,541.80/x - Step 3: Cross multiply
739,764.12x = 1,020,874.14 × 417,541.80 - Step 4: Simplify right side
739,764.12x = 426,257,625,989.05 - Step 5: Solve for x
x = 426,257,625,989.05/739,764.12 - Step 6: Final answer
x = 576,207.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.