Finding the Fourth Proportional to 571,421.21, 857,274.52 and 403,269.96
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Solution
The fourth proportional to 571,421.21, 857,274.52 and 403,269.96 is: 605,005.65
Step by Step Solution
- Step 1: Write the proportion equation
571,421.21 : 857,274.52 = 403,269.96 : x - Step 2: Convert to fraction form
571,421.21/857,274.52 = 403,269.96/x - Step 3: Cross multiply
571,421.21x = 857,274.52 × 403,269.96 - Step 4: Simplify right side
571,421.21x = 345,713,061,389.42 - Step 5: Solve for x
x = 345,713,061,389.42/571,421.21 - Step 6: Final answer
x = 605,005.65
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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.