Finding the Fourth Proportional to 809,274.24, 1,116,792.29 and 446,698.06
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Solution
The fourth proportional to 809,274.24, 1,116,792.29 and 446,698.06 is: 616,439.92
Step by Step Solution
- Step 1: Write the proportion equation
809,274.24 : 1,116,792.29 = 446,698.06 : x - Step 2: Convert to fraction form
809,274.24/1,116,792.29 = 446,698.06/x - Step 3: Cross multiply
809,274.24x = 1,116,792.29 × 446,698.06 - Step 4: Simplify right side
809,274.24x = 498,868,947,690.72 - Step 5: Solve for x
x = 498,868,947,690.72/809,274.24 - Step 6: Final answer
x = 616,439.92
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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.