Finding the Fourth Proportional to 989,759.48, 1,484,343.05 and 516,186.50
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Solution
The fourth proportional to 989,759.48, 1,484,343.05 and 516,186.50 is: 774,125.28
Step by Step Solution
- Step 1: Write the proportion equation
989,759.48 : 1,484,343.05 = 516,186.50 : x - Step 2: Convert to fraction form
989,759.48/1,484,343.05 = 516,186.50/x - Step 3: Cross multiply
989,759.48x = 1,484,343.05 × 516,186.50 - Step 4: Simplify right side
989,759.48x = 766,197,833,776.18 - Step 5: Solve for x
x = 766,197,833,776.18/989,759.48 - Step 6: Final answer
x = 774,125.28
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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.