Finding the Fourth Proportional to 555,692.62, 766,855.74 and 301,043.74
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Solution
The fourth proportional to 555,692.62, 766,855.74 and 301,043.74 is: 415,440.32
Step by Step Solution
- Step 1: Write the proportion equation
555,692.62 : 766,855.74 = 301,043.74 : x - Step 2: Convert to fraction form
555,692.62/766,855.74 = 301,043.74/x - Step 3: Cross multiply
555,692.62x = 766,855.74 × 301,043.74 - Step 4: Simplify right side
555,692.62x = 230,857,120,010.07 - Step 5: Solve for x
x = 230,857,120,010.07/555,692.62 - Step 6: Final answer
x = 415,440.32
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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.