Finding the Fourth Proportional to 706,414.70, 1,059,622.05 and 307,246.70
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Solution
The fourth proportional to 706,414.70, 1,059,622.05 and 307,246.70 is: 460,870.05
Step by Step Solution
- Step 1: Write the proportion equation
706,414.70 : 1,059,622.05 = 307,246.70 : x - Step 2: Convert to fraction form
706,414.70/1,059,622.05 = 307,246.70/x - Step 3: Cross multiply
706,414.70x = 1,059,622.05 × 307,246.70 - Step 4: Simplify right side
706,414.70x = 325,565,378,109.74 - Step 5: Solve for x
x = 325,565,378,109.74/706,414.70 - Step 6: Final answer
x = 460,870.05
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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.