Finding the Fourth Proportional to 910,372.12, 1,256,816.92 and 547,885.08
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Solution
The fourth proportional to 910,372.12, 1,256,816.92 and 547,885.08 is: 756,384.37
Step by Step Solution
- Step 1: Write the proportion equation
910,372.12 : 1,256,816.92 = 547,885.08 : x - Step 2: Convert to fraction form
910,372.12/1,256,816.92 = 547,885.08/x - Step 3: Cross multiply
910,372.12x = 1,256,816.92 × 547,885.08 - Step 4: Simplify right side
910,372.12x = 688,591,238,759.55 - Step 5: Solve for x
x = 688,591,238,759.55/910,372.12 - Step 6: Final answer
x = 756,384.37
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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.