Finding the Fourth Proportional to 797,530.12, 1,100,690.58 and 457,991.08
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Solution
The fourth proportional to 797,530.12, 1,100,690.58 and 457,991.08 is: 632,084.55
Step by Step Solution
- Step 1: Write the proportion equation
797,530.12 : 1,100,690.58 = 457,991.08 : x - Step 2: Convert to fraction form
797,530.12/1,100,690.58 = 457,991.08/x - Step 3: Cross multiply
797,530.12x = 1,100,690.58 × 457,991.08 - Step 4: Simplify right side
797,530.12x = 504,106,467,480.03 - Step 5: Solve for x
x = 504,106,467,480.03/797,530.12 - Step 6: Final answer
x = 632,084.55
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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.