Finding the Fourth Proportional to 798,690.98, 1,102,238.28 and 436,148.55
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Solution
The fourth proportional to 798,690.98, 1,102,238.28 and 436,148.55 is: 601,909.42
Step by Step Solution
- Step 1: Write the proportion equation
798,690.98 : 1,102,238.28 = 436,148.55 : x - Step 2: Convert to fraction form
798,690.98/1,102,238.28 = 436,148.55/x - Step 3: Cross multiply
798,690.98x = 1,102,238.28 × 436,148.55 - Step 4: Simplify right side
798,690.98x = 480,739,627,576.49 - Step 5: Solve for x
x = 480,739,627,576.49/798,690.98 - Step 6: Final answer
x = 601,909.42
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1.5x scale
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.