Finding the Fourth Proportional to 692,981.26, 1,039,471.80 and 260,779.96
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Solution
The fourth proportional to 692,981.26, 1,039,471.80 and 260,779.96 is: 391,169.91
Step by Step Solution
- Step 1: Write the proportion equation
692,981.26 : 1,039,471.80 = 260,779.96 : x - Step 2: Convert to fraction form
692,981.26/1,039,471.80 = 260,779.96/x - Step 3: Cross multiply
692,981.26x = 1,039,471.80 × 260,779.96 - Step 4: Simplify right side
692,981.26x = 271,073,414,425.13 - Step 5: Solve for x
x = 271,073,414,425.13/692,981.26 - Step 6: Final answer
x = 391,169.91
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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.