Finding the Fourth Proportional to 836,399.84, 1,254,624.35 and 205,313.63
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Solution
The fourth proportional to 836,399.84, 1,254,624.35 and 205,313.63 is: 307,976.47
Step by Step Solution
- Step 1: Write the proportion equation
836,399.84 : 1,254,624.35 = 205,313.63 : x - Step 2: Convert to fraction form
836,399.84/1,254,624.35 = 205,313.63/x - Step 3: Cross multiply
836,399.84x = 1,254,624.35 × 205,313.63 - Step 4: Simplify right side
836,399.84x = 257,591,472,285.20 - Step 5: Solve for x
x = 257,591,472,285.20/836,399.84 - Step 6: Final answer
x = 307,976.47
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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.