Finding the Fourth Proportional to 486,908.70, 730,363.05 and 468,246.30
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Solution
The fourth proportional to 486,908.70, 730,363.05 and 468,246.30 is: 702,369.45
Step by Step Solution
- Step 1: Write the proportion equation
486,908.70 : 730,363.05 = 468,246.30 : x - Step 2: Convert to fraction form
486,908.70/730,363.05 = 468,246.30/x - Step 3: Cross multiply
486,908.70x = 730,363.05 × 468,246.30 - Step 4: Simplify right side
486,908.70x = 341,989,795,819.22 - Step 5: Solve for x
x = 341,989,795,819.22/486,908.70 - Step 6: Final answer
x = 702,369.45
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1.5x scale
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.