Finding the Fourth Proportional to 702,958.70, 1,054,438.05 and 323,878.70
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Solution
The fourth proportional to 702,958.70, 1,054,438.05 and 323,878.70 is: 485,818.05
Step by Step Solution
- Step 1: Write the proportion equation
702,958.70 : 1,054,438.05 = 323,878.70 : x - Step 2: Convert to fraction form
702,958.70/1,054,438.05 = 323,878.70/x - Step 3: Cross multiply
702,958.70x = 1,054,438.05 × 323,878.70 - Step 4: Simplify right side
702,958.70x = 341,510,024,864.54 - Step 5: Solve for x
x = 341,510,024,864.54/702,958.70 - Step 6: Final answer
x = 485,818.05
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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.