Finding the Fourth Proportional to 665,066.10, 996,943.05 and 327,830.70
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Solution
The fourth proportional to 665,066.10, 996,943.05 and 327,830.70 is: 491,422.64
Step by Step Solution
- Step 1: Write the proportion equation
665,066.10 : 996,943.05 = 327,830.70 : x - Step 2: Convert to fraction form
665,066.10/996,943.05 = 327,830.70/x - Step 3: Cross multiply
665,066.10x = 996,943.05 × 327,830.70 - Step 4: Simplify right side
665,066.10x = 326,828,537,941.64 - Step 5: Solve for x
x = 326,828,537,941.64/665,066.10 - Step 6: Final answer
x = 491,422.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.