Finding the Fourth Proportional to 690,924.44, 953,546.67 and 415,371.50
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Solution
The fourth proportional to 690,924.44, 953,546.67 and 415,371.50 is: 573,255.32
Step by Step Solution
- Step 1: Write the proportion equation
690,924.44 : 953,546.67 = 415,371.50 : x - Step 2: Convert to fraction form
690,924.44/953,546.67 = 415,371.50/x - Step 3: Cross multiply
690,924.44x = 953,546.67 × 415,371.50 - Step 4: Simplify right side
690,924.44x = 396,076,105,870.17 - Step 5: Solve for x
x = 396,076,105,870.17/690,924.44 - Step 6: Final answer
x = 573,255.32
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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.