Finding the Fourth Proportional to 949,622.94, 1,310,483.49 and 519,943.05
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Solution
The fourth proportional to 949,622.94, 1,310,483.49 and 519,943.05 is: 717,523.51
Step by Step Solution
- Step 1: Write the proportion equation
949,622.94 : 1,310,483.49 = 519,943.05 : x - Step 2: Convert to fraction form
949,622.94/1,310,483.49 = 519,943.05/x - Step 3: Cross multiply
949,622.94x = 1,310,483.49 × 519,943.05 - Step 4: Simplify right side
949,622.94x = 681,376,782,765.25 - Step 5: Solve for x
x = 681,376,782,765.25/949,622.94 - Step 6: Final answer
x = 717,523.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.