Finding the Fourth Proportional to 638,719.03, 881,402.61 and 366,595.42
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Solution
The fourth proportional to 638,719.03, 881,402.61 and 366,595.42 is: 505,884.66
Step by Step Solution
- Step 1: Write the proportion equation
638,719.03 : 881,402.61 = 366,595.42 : x - Step 2: Convert to fraction form
638,719.03/881,402.61 = 366,595.42/x - Step 3: Cross multiply
638,719.03x = 881,402.61 × 366,595.42 - Step 4: Simplify right side
638,719.03x = 323,118,160,002.05 - Step 5: Solve for x
x = 323,118,160,002.05/638,719.03 - Step 6: Final answer
x = 505,884.66
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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.