Finding the Fourth Proportional to 771,723.22, 1,157,628.56 and 239,319.94
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Solution
The fourth proportional to 771,723.22, 1,157,628.56 and 239,319.94 is: 358,993.47
Step by Step Solution
- Step 1: Write the proportion equation
771,723.22 : 1,157,628.56 = 239,319.94 : x - Step 2: Convert to fraction form
771,723.22/1,157,628.56 = 239,319.94/x - Step 3: Cross multiply
771,723.22x = 1,157,628.56 × 239,319.94 - Step 4: Simplify right side
771,723.22x = 277,043,591,733.34 - Step 5: Solve for x
x = 277,043,591,733.34/771,723.22 - Step 6: Final answer
x = 358,993.47
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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.