Finding the Fourth Proportional to 704,968.76, 972,873.33 and 418,489.94
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Solution
The fourth proportional to 704,968.76, 972,873.33 and 418,489.94 is: 577,525.88
Step by Step Solution
- Step 1: Write the proportion equation
704,968.76 : 972,873.33 = 418,489.94 : x - Step 2: Convert to fraction form
704,968.76/972,873.33 = 418,489.94/x - Step 3: Cross multiply
704,968.76x = 972,873.33 × 418,489.94 - Step 4: Simplify right side
704,968.76x = 407,137,701,499.30 - Step 5: Solve for x
x = 407,137,701,499.30/704,968.76 - Step 6: Final answer
x = 577,525.88
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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.