Finding the Fourth Proportional to 836,977.54, 1,153,944.88 and 542,102.62
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Solution
The fourth proportional to 836,977.54, 1,153,944.88 and 542,102.62 is: 747,399.44
Step by Step Solution
- Step 1: Write the proportion equation
836,977.54 : 1,153,944.88 = 542,102.62 : x - Step 2: Convert to fraction form
836,977.54/1,153,944.88 = 542,102.62/x - Step 3: Cross multiply
836,977.54x = 1,153,944.88 × 542,102.62 - Step 4: Simplify right side
836,977.54x = 625,556,542,783.59 - Step 5: Solve for x
x = 625,556,542,783.59/836,977.54 - Step 6: Final answer
x = 747,399.44
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1.5x scale
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.