Finding the Fourth Proportional to 989,881.56, 1,366,035.84 and 560,153.88
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Solution
The fourth proportional to 989,881.56, 1,366,035.84 and 560,153.88 is: 773,011.95
Step by Step Solution
- Step 1: Write the proportion equation
989,881.56 : 1,366,035.84 = 560,153.88 : x - Step 2: Convert to fraction form
989,881.56/1,366,035.84 = 560,153.88/x - Step 3: Cross multiply
989,881.56x = 1,366,035.84 × 560,153.88 - Step 4: Simplify right side
989,881.56x = 765,190,275,995.06 - Step 5: Solve for x
x = 765,190,275,995.06/989,881.56 - Step 6: Final answer
x = 773,011.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.