Finding the Fourth Proportional to 565,618.97, 780,534.11 and 310,968.17
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Solution
The fourth proportional to 565,618.97, 780,534.11 and 310,968.17 is: 429,125.04
Step by Step Solution
- Step 1: Write the proportion equation
565,618.97 : 780,534.11 = 310,968.17 : x - Step 2: Convert to fraction form
565,618.97/780,534.11 = 310,968.17/x - Step 3: Cross multiply
565,618.97x = 780,534.11 × 310,968.17 - Step 4: Simplify right side
565,618.97x = 242,721,262,254.44 - Step 5: Solve for x
x = 242,721,262,254.44/565,618.97 - Step 6: Final answer
x = 429,125.04
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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.