Finding the Fourth Proportional to 578,659.97, 798,563.63 and 330,296.92
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Solution
The fourth proportional to 578,659.97, 798,563.63 and 330,296.92 is: 455,817.09
Step by Step Solution
- Step 1: Write the proportion equation
578,659.97 : 798,563.63 = 330,296.92 : x - Step 2: Convert to fraction form
578,659.97/798,563.63 = 330,296.92/x - Step 3: Cross multiply
578,659.97x = 798,563.63 × 330,296.92 - Step 4: Simplify right side
578,659.97x = 263,763,106,242.35 - Step 5: Solve for x
x = 263,763,106,242.35/578,659.97 - Step 6: Final answer
x = 455,817.09
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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.