Finding the Fourth Proportional to 571,407.12, 857,138.02 and 471,381.84
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Solution
The fourth proportional to 571,407.12, 857,138.02 and 471,381.84 is: 707,095.31
Step by Step Solution
- Step 1: Write the proportion equation
571,407.12 : 857,138.02 = 471,381.84 : x - Step 2: Convert to fraction form
571,407.12/857,138.02 = 471,381.84/x - Step 3: Cross multiply
571,407.12x = 857,138.02 × 471,381.84 - Step 4: Simplify right side
571,407.12x = 404,039,295,823.10 - Step 5: Solve for x
x = 404,039,295,823.10/571,407.12 - Step 6: Final answer
x = 707,095.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.