Finding the Fourth Proportional to 623,434.19, 934,815.94 and 323,170.43
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Solution
The fourth proportional to 623,434.19, 934,815.94 and 323,170.43 is: 484,581.81
Step by Step Solution
- Step 1: Write the proportion equation
623,434.19 : 934,815.94 = 323,170.43 : x - Step 2: Convert to fraction form
623,434.19/934,815.94 = 323,170.43/x - Step 3: Cross multiply
623,434.19x = 934,815.94 × 323,170.43 - Step 4: Simplify right side
623,434.19x = 302,104,863,818.65 - Step 5: Solve for x
x = 302,104,863,818.65/623,434.19 - Step 6: Final answer
x = 484,581.81
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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.