Finding the Fourth Proportional to 782,287.84, 1,173,243.60 and 361,159.36
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Solution
The fourth proportional to 782,287.84, 1,173,243.60 and 361,159.36 is: 541,652.17
Step by Step Solution
- Step 1: Write the proportion equation
782,287.84 : 1,173,243.60 = 361,159.36 : x - Step 2: Convert to fraction form
782,287.84/1,173,243.60 = 361,159.36/x - Step 3: Cross multiply
782,287.84x = 1,173,243.60 × 361,159.36 - Step 4: Simplify right side
782,287.84x = 423,727,907,700.10 - Step 5: Solve for x
x = 423,727,907,700.10/782,287.84 - Step 6: Final answer
x = 541,652.17
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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.