Finding the Fourth Proportional to 606,860.20, 909,512.70 and 539,986.60
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Solution
The fourth proportional to 606,860.20, 909,512.70 and 539,986.60 is: 809,287.99
Step by Step Solution
- Step 1: Write the proportion equation
606,860.20 : 909,512.70 = 539,986.60 : x - Step 2: Convert to fraction form
606,860.20/909,512.70 = 539,986.60/x - Step 3: Cross multiply
606,860.20x = 909,512.70 × 539,986.60 - Step 4: Simplify right side
606,860.20x = 491,124,670,529.82 - Step 5: Solve for x
x = 491,124,670,529.82/606,860.20 - Step 6: Final answer
x = 809,287.99
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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.