Finding the Fourth Proportional to 879,054.84, 1,318,582.14 and 317,958.12
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Solution
The fourth proportional to 879,054.84, 1,318,582.14 and 317,958.12 is: 476,937.14
Step by Step Solution
- Step 1: Write the proportion equation
879,054.84 : 1,318,582.14 = 317,958.12 : x - Step 2: Convert to fraction form
879,054.84/1,318,582.14 = 317,958.12/x - Step 3: Cross multiply
879,054.84x = 1,318,582.14 × 317,958.12 - Step 4: Simplify right side
879,054.84x = 419,253,898,299.98 - Step 5: Solve for x
x = 419,253,898,299.98/879,054.84 - Step 6: Final answer
x = 476,937.14
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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.