Finding the Fourth Proportional to 837,688.62, 1,256,325.34 and 238,654.97
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Solution
The fourth proportional to 837,688.62, 1,256,325.34 and 238,654.97 is: 357,923.31
Step by Step Solution
- Step 1: Write the proportion equation
837,688.62 : 1,256,325.34 = 238,654.97 : x - Step 2: Convert to fraction form
837,688.62/1,256,325.34 = 238,654.97/x - Step 3: Cross multiply
837,688.62x = 1,256,325.34 × 238,654.97 - Step 4: Simplify right side
837,688.62x = 299,828,286,327.94 - Step 5: Solve for x
x = 299,828,286,327.94/837,688.62 - Step 6: Final answer
x = 357,923.31
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1.5x scale
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.