Finding the Fourth Proportional to 434,656.20, 651,984.30 and 418,909.80
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Solution
The fourth proportional to 434,656.20, 651,984.30 and 418,909.80 is: 628,364.70
Step by Step Solution
- Step 1: Write the proportion equation
434,656.20 : 651,984.30 = 418,909.80 : x - Step 2: Convert to fraction form
434,656.20/651,984.30 = 418,909.80/x - Step 3: Cross multiply
434,656.20x = 651,984.30 × 418,909.80 - Step 4: Simplify right side
434,656.20x = 273,122,612,716.14 - Step 5: Solve for x
x = 273,122,612,716.14/434,656.20 - Step 6: Final answer
x = 628,364.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.