Finding the Fourth Proportional to 638,583.04, 881,284.28 and 352,102.68
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Solution
The fourth proportional to 638,583.04, 881,284.28 and 352,102.68 is: 485,923.58
Step by Step Solution
- Step 1: Write the proportion equation
638,583.04 : 881,284.28 = 352,102.68 : x - Step 2: Convert to fraction form
638,583.04/881,284.28 = 352,102.68/x - Step 3: Cross multiply
638,583.04x = 881,284.28 × 352,102.68 - Step 4: Simplify right side
638,583.04x = 310,302,556,829.87 - Step 5: Solve for x
x = 310,302,556,829.87/638,583.04 - Step 6: Final answer
x = 485,923.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.