Finding the Fourth Proportional to 737,692.84, 1,018,006.08 and 415,406.80
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Solution
The fourth proportional to 737,692.84, 1,018,006.08 and 415,406.80 is: 573,255.73
Step by Step Solution
- Step 1: Write the proportion equation
737,692.84 : 1,018,006.08 = 415,406.80 : x - Step 2: Convert to fraction form
737,692.84/1,018,006.08 = 415,406.80/x - Step 3: Cross multiply
737,692.84x = 1,018,006.08 × 415,406.80 - Step 4: Simplify right side
737,692.84x = 422,886,648,073.34 - Step 5: Solve for x
x = 422,886,648,073.34/737,692.84 - Step 6: Final answer
x = 573,255.73
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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.