Finding the Fourth Proportional to 878,566.62, 1,317,350.54 and 345,798.84
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Solution
The fourth proportional to 878,566.62, 1,317,350.54 and 345,798.84 is: 518,501.70
Step by Step Solution
- Step 1: Write the proportion equation
878,566.62 : 1,317,350.54 = 345,798.84 : x - Step 2: Convert to fraction form
878,566.62/1,317,350.54 = 345,798.84/x - Step 3: Cross multiply
878,566.62x = 1,317,350.54 × 345,798.84 - Step 4: Simplify right side
878,566.62x = 455,538,288,605.37 - Step 5: Solve for x
x = 455,538,288,605.37/878,566.62 - Step 6: Final answer
x = 518,501.70
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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.