Finding the Fourth Proportional to 808,214.10, 1,213,633.35 and 543,149.70
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Solution
The fourth proportional to 808,214.10, 1,213,633.35 and 543,149.70 is: 815,606.40
Step by Step Solution
- Step 1: Write the proportion equation
808,214.10 : 1,213,633.35 = 543,149.70 : x - Step 2: Convert to fraction form
808,214.10/1,213,633.35 = 543,149.70/x - Step 3: Cross multiply
808,214.10x = 1,213,633.35 × 543,149.70 - Step 4: Simplify right side
808,214.10x = 659,184,589,962.50 - Step 5: Solve for x
x = 659,184,589,962.50/808,214.10 - Step 6: Final answer
x = 815,606.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.