Finding the Fourth Proportional to 886,639.48, 1,223,570.28 and 504,690.84
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Solution
The fourth proportional to 886,639.48, 1,223,570.28 and 504,690.84 is: 696,477.80
Step by Step Solution
- Step 1: Write the proportion equation
886,639.48 : 1,223,570.28 = 504,690.84 : x - Step 2: Convert to fraction form
886,639.48/1,223,570.28 = 504,690.84/x - Step 3: Cross multiply
886,639.48x = 1,223,570.28 × 504,690.84 - Step 4: Simplify right side
886,639.48x = 617,524,712,412.24 - Step 5: Solve for x
x = 617,524,712,412.24/886,639.48 - Step 6: Final answer
x = 696,477.80
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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.