Finding the Fourth Proportional to 998,278.70, 1,497,501.09 and 324,345.09
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Solution
The fourth proportional to 998,278.70, 1,497,501.09 and 324,345.09 is: 486,544.61
Step by Step Solution
- Step 1: Write the proportion equation
998,278.70 : 1,497,501.09 = 324,345.09 : x - Step 2: Convert to fraction form
998,278.70/1,497,501.09 = 324,345.09/x - Step 3: Cross multiply
998,278.70x = 1,497,501.09 × 324,345.09 - Step 4: Simplify right side
998,278.70x = 485,707,119,703.83 - Step 5: Solve for x
x = 485,707,119,703.83/998,278.70 - Step 6: Final answer
x = 486,544.61
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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.