Finding the Fourth Proportional to 836,787.29, 1,154,790.81 and 474,199.09
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Solution
The fourth proportional to 836,787.29, 1,154,790.81 and 474,199.09 is: 654,408.54
Step by Step Solution
- Step 1: Write the proportion equation
836,787.29 : 1,154,790.81 = 474,199.09 : x - Step 2: Convert to fraction form
836,787.29/1,154,790.81 = 474,199.09/x - Step 3: Cross multiply
836,787.29x = 1,154,790.81 × 474,199.09 - Step 4: Simplify right side
836,787.29x = 547,600,751,242.36 - Step 5: Solve for x
x = 547,600,751,242.36/836,787.29 - Step 6: Final answer
x = 654,408.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.