Finding the Fourth Proportional to 556,797.83, 768,381.01 and 302,149.02
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Solution
The fourth proportional to 556,797.83, 768,381.01 and 302,149.02 is: 416,965.65
Step by Step Solution
- Step 1: Write the proportion equation
556,797.83 : 768,381.01 = 302,149.02 : x - Step 2: Convert to fraction form
556,797.83/768,381.01 = 302,149.02/x - Step 3: Cross multiply
556,797.83x = 768,381.01 × 302,149.02 - Step 4: Simplify right side
556,797.83x = 232,165,568,402.74 - Step 5: Solve for x
x = 232,165,568,402.74/556,797.83 - Step 6: Final answer
x = 416,965.65
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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.