Finding the Fourth Proportional to 836,372.04, 1,153,939.14 and 473,738.28
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Solution
The fourth proportional to 836,372.04, 1,153,939.14 and 473,738.28 is: 653,614.80
Step by Step Solution
- Step 1: Write the proportion equation
836,372.04 : 1,153,939.14 = 473,738.28 : x - Step 2: Convert to fraction form
836,372.04/1,153,939.14 = 473,738.28/x - Step 3: Cross multiply
836,372.04x = 1,153,939.14 × 473,738.28 - Step 4: Simplify right side
836,372.04x = 546,665,143,408.28 - Step 5: Solve for x
x = 546,665,143,408.28/836,372.04 - Step 6: Final answer
x = 653,614.80
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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.