Finding the Fourth Proportional to 979,730.18, 1,470,047.25 and 447,414.38
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Solution
The fourth proportional to 979,730.18, 1,470,047.25 and 447,414.38 is: 671,327.98
Step by Step Solution
- Step 1: Write the proportion equation
979,730.18 : 1,470,047.25 = 447,414.38 : x - Step 2: Convert to fraction form
979,730.18/1,470,047.25 = 447,414.38/x - Step 3: Cross multiply
979,730.18x = 1,470,047.25 × 447,414.38 - Step 4: Simplify right side
979,730.18x = 657,720,278,929.46 - Step 5: Solve for x
x = 657,720,278,929.46/979,730.18 - Step 6: Final answer
x = 671,327.98
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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.