Finding the Fourth Proportional to 961,837.70, 1,442,416.35 and 330,604.70
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Solution
The fourth proportional to 961,837.70, 1,442,416.35 and 330,604.70 is: 495,790.12
Step by Step Solution
- Step 1: Write the proportion equation
961,837.70 : 1,442,416.35 = 330,604.70 : x - Step 2: Convert to fraction form
961,837.70/1,442,416.35 = 330,604.70/x - Step 3: Cross multiply
961,837.70x = 1,442,416.35 × 330,604.70 - Step 4: Simplify right side
961,837.70x = 476,869,624,666.85 - Step 5: Solve for x
x = 476,869,624,666.85/961,837.70 - Step 6: Final answer
x = 495,790.12
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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.