Finding the Fourth Proportional to 634,770.99, 875,983.98 and 362,844.78
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Solution
The fourth proportional to 634,770.99, 875,983.98 and 362,844.78 is: 500,725.80
Step by Step Solution
- Step 1: Write the proportion equation
634,770.99 : 875,983.98 = 362,844.78 : x - Step 2: Convert to fraction form
634,770.99/875,983.98 = 362,844.78/x - Step 3: Cross multiply
634,770.99x = 875,983.98 × 362,844.78 - Step 4: Simplify right side
634,770.99x = 317,846,214,506.62 - Step 5: Solve for x
x = 317,846,214,506.62/634,770.99 - Step 6: Final answer
x = 500,725.80
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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.