Finding the Fourth Proportional to 931,755.99, 1,397,665.06 and 257,780.86
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Solution
The fourth proportional to 931,755.99, 1,397,665.06 and 257,780.86 is: 386,679.88
Step by Step Solution
- Step 1: Write the proportion equation
931,755.99 : 1,397,665.06 = 257,780.86 : x - Step 2: Convert to fraction form
931,755.99/1,397,665.06 = 257,780.86/x - Step 3: Cross multiply
931,755.99x = 1,397,665.06 × 257,780.86 - Step 4: Simplify right side
931,755.99x = 360,291,293,525.97 - Step 5: Solve for x
x = 360,291,293,525.97/931,755.99 - Step 6: Final answer
x = 386,679.88
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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.