Finding the Fourth Proportional to 870,591.24, 1,201,415.93 and 488,618.03
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Solution
The fourth proportional to 870,591.24, 1,201,415.93 and 488,618.03 is: 674,292.88
Step by Step Solution
- Step 1: Write the proportion equation
870,591.24 : 1,201,415.93 = 488,618.03 : x - Step 2: Convert to fraction form
870,591.24/1,201,415.93 = 488,618.03/x - Step 3: Cross multiply
870,591.24x = 1,201,415.93 × 488,618.03 - Step 4: Simplify right side
870,591.24x = 587,033,476,477.05 - Step 5: Solve for x
x = 587,033,476,477.05/870,591.24 - Step 6: Final answer
x = 674,292.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.